Silver nitrate and sodium An endothermic reaction is usually indicated by writing Heat on the product side of a chemical equation. Chemical equation for solid zinc hydrogen carbonate decomposing to yield solid zinc carbonate, water and carbon dioxide, 9. NCERT Solutions for Class 10 Science Chapter 1 Chemical Reactions and Equations Chapter End Questions Q11. dsdrajlin Answer: 2 Br (aq) + Pb (aq) PbBr (s) Explanation: Let's consider the molecular equation when aqueous solutions of manganese (II) bromide and lead (II) nitrate are combined. For example. On adding silver nitrate solution to sodium bromide, a yellow precipitate of silver bromide and solution of sodium nitrate are formed. (a) AgC2H3O2(aq) + Srl2(aq) --- Routing number of commercial bank of Ethiopia? WebColored speckles for use in granular detergentsColored speckles for use in granular detergents WebEssentially all sodium salts and potassium salts are soluble as our all nitrate salts. Add silver nitrate solution to a solution of bromide ions. The precipitates are insoluble silver halides: silver chloride, silver bromide or silver iodide. Reactions (a) heating copper in air produces a black solid (b) heating copper in vacuum produce - red-brown film, 1. Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. (a) calcium nitrate decomposes on heating to give solid calcium nitrite and oxygen gas Which of these two ratings represents the greater amount of energy delivered by the battery? WebWe know that silver ions and bromide ions react to form the silver bromide precipitate. Normally the solubility increases and some of the solid silver bromide will dissolve. When solutions of silver nitrate and potassium bromide are mixed, a pale yellow precipitate is formed. 26 The pyrite electrode potential showed a sub (b) Hydrogen sulphide gas burns in air to give water and sulphur dioxide. The slight positive charge on the carbon will be larger if it is attached to a chlorine atom than to an iodine atom. (a) Corrosion : It is the process in which metals are eaten up gradually by the action of air, moisture or a chemical (such as an acid) on their surface. WebWe can see from the table that silver chloride is an insoluble salt. The name Selecta is a misnomer. A g N O 3. Webbromide ions give a cream precipitate of silver bromide iodide ions give a yellow precipitate of silver iodide Colours of silver halide precipitates For example: silver Therefore, the net ionic equation for the reaction between aqueous silver nitrate and Various precipitates may be formed from the reaction between the silver and Chemical equation for the reaction of cadmium metal with aqueous cobalt(II) nitrate to produce aqueous cadmium nitrate and cobalt metal, 11. (a) NaCIO3(s)---NaCl(s) + O2(g) Silver nitrate test for bromides. (a) copper is heated with chlorine gas to produce solid copper(I) chloride When an iron nail is dipped in copper sulphate solution, the displacement reaction takes place. It dissolves in the presence of excess iodide ion, forming an Agl2 complex however, silver iodide is only slightly soluble in ammonia and dissolves slowly in thiosulfate and cyanide solutions. You might, for example, compare the times taken to produce a precipitate from this series of primary halogenoalkanes: Obviously, the time taken for a precipitate of silver halide to appear will depend on how much of everything you use and the temperature at which the reaction is carried out. Ammonia solution is added to the precipitates. An exothermic reaction is indicated by writing + Heaton the products side of an equation. The silver nitrate test is sensitive enough to detect fairly small concentrations of halide ions. These ions did not participate in the chemical reaction and are called spectator Therefore, the chemical formula of silver bromide is AgBr, and we must include the KCl + AgNO3 = AgCl + KNO3 Silver chloride is a white precipitate. WebColored speckles for use in granular detergentsColored speckles for use in granular detergents Balance the following chemical equations : Write the balanced chemical equations for the following reactions : (a) Calcium hydroxide + Carbon dioxide Calcium carbonate + Water, (b) Zinc + Silver nitrate Zinc nitrate + Silver, (c) Aluminium + Copper chloride Aluminium chloride + Copper, (d) Barium chloride + Potassium sulphate Barium sulphate + Potassium chloride. WebHow to Balance AgNO3 + KBr = AgBr + KNO3 (Silver nitrate + Potassium bromide) Wayne Breslyn 627K subscribers Subscribe 11K views 3 years ago In this video we'll All the precipitates change color if they are exposed to light, taking on gray or purple tints. Write the balanced chemical equation for the following and identify the type of reaction in each case : (a) Potassium bromide (aq) + Barium iodide (aq) Potassium iodide (aq) + Barium, (b) Zinc carbonate(s) Zinc oxide (s) + Carbon dioxide (g) bromide(s), (c) Hydrogen (g) + Chloride (g) Hydrogen chloride (g), (d) Magnesium (s) + Hydrochloric acid (aq) Magnesium chloride (aq) + Hydrogen (g), (a) 2KBr (aq) + Bal2(aq) 2Kl(aq) + BaBr2(s), (d) Mg (s) + 2HCl (aq) MgCl2 (aq) + H2 (g). For the result of silver nitrate tests on all three halides, see images C040/2672, C040/2673 and C040/2674. WebWhat does silver nitrate (AgNO3) + potassium chloride (KCl) produce? Here, silver bromide (yellow) has formed in a reaction between silver nitrate and potassium bromide (KCl). WebAlthough the compound can be found in mineral form, AgBr is typically prepared by the reaction of silver nitrate with an alkali bromide, typically potassium bromide: [7] AgNO 3 (aq) + KBr (aq) AgBr (s)+ KNO 3 (aq) Although less convenient, the compound can also be prepared directly from its elements. It can be made by reacting a soluble silver salt with a soluble chloride salt. Silver nitrate and sodium phosphate react to form silver phosphate and sodium nitrate. Solutions of silver nitrate and lithium bromide are mixed? Rancidity can be prevented by adding anti-oxidants to foods containing fats and oils. Now, lets look at the products. WebThe precipitates are the insoluble silver halides - silver chloride, silver bromide or silver iodide. For example, when silver nitrate and potassium bromide are mixed, a precipitate of silver bromide forms. Question 1. However, the fastest reaction is with an iodoalkane. of the reagents are sufficiently concentrated. W9 3RB Begin typing your search term above and press enter to search. Similar to a molecular equation, which expresses compounds as molecules, an ionic equation is a chemical equation in which the electrolytes in aqueous solution are expressed as dissociated ions. Predict which metals reacts with water at room temperature: WebPotassium bromide solution (0.2 mol/dm 3) Potassium iodide solution (0.2 mol/dm 3) *Barium chloride solution (0.2 mol/dm 3) Silver nitrate solution (0.2 mol/dm 3) Nitric Acid presence of bromide ions. You could, for example, compare the reactivity of these compounds: Again, the actual times taken will vary with reaction conditions, but the pattern will always be the same. WebYes, a reaction occurs. What is the answer punchline algebra 15.1 why dose a chicken coop have only two doors? Throughout the years, Selecta Ice Cream has proven in the market that its a successful ice cream brand in the Philippines. write their chemical formulas. It can also be prevented by flushing fat and oil containing foods with nitrogen before sealing. Find out how we went from sausages to iconic ice creams and ice lollies. Balance equation for: Property release not required. This page looks at how silver nitrate solution can be used as part of a test for halogenoalkanes (haloalkanes or alkyl halides), and also as a means of measuring their relative reactivities. A) chloride. How do I choose between my boyfriend and my best friend? (c) Ca In displacement reactions, a more reactive metal displaces a less reactive metal from its solution. AgNO3 and NaBr combine in aqueous medium to form AgBr (silver bromide) and Sodium nitrate (NaNO3). What is the net ionic equation for this reaction? (d) Potassium metal reacts with water to give potassium hydroxide and hydrogen gas. Accessibility StatementFor more information contact us atinfo@libretexts.orgor check out our status page at https://status.libretexts.org. 7.5: Solution Stoichiometry. The halogenoalkane is warmed with some sodium hydroxide solution in a mixture of ethanol and water. Youve got a spoon, weve got an ice cream flavor to dunk it in. Now, we should make sure that our molecular equation is balanced. Nagwa is an educational technology startup aiming to help teachers teach and students learn. the Terms and Conditions. Copyright 2023 NagwaAll Rights Reserved. In double displacement reactions, two reactants in solution exchange their ions. Routing number of commercial bank of Ethiopia? This page titled Testing for Halide Ions is shared under a CC BY-NC 4.0 license and was authored, remixed, and/or curated by Jim Clark. Car batteries are rated by the following two numbers: (1) cranking amps = current the battery can produce for 30.030.030.0 seconds while maintaining a terminal voltage of at least 7.2V7.2 \mathrm{~V}7.2V and (2) reserve capacity === number of minutes the battery can produce a 25-A current while maintaining a terminal voltage of at least 10.5V10.5 \mathrm{~V}10.5V. One particular battery is advertised as having 905 cranking amps and a 155-minute reserve capacity. 1. (c) cobalt(II) hydroxide,Co(OH)2 Complete and balance each of the double replacement reactions: (a) Zn(s) + Pb(NO3)2(aq)---- In a balanced ionic equation, the number and type of atoms are the same on both sides of the reaction arrow. Avoid skin contact by using dropper bottles or by wearing gloves. The different colored precipitates of silver halide determines the halide ions present. In Activity 1.7, water is electrolysed to give H2 gas at one electrode and O2 gas at the other electrode. But opting out of some of these cookies may affect your browsing experience. aqueous solutions: silver nitrate, potassium bromide, and potassium nitrate. A reaction in which an insoluble product, or precipitate, forms from the reaction of We also notice that there is one potassium ion and one bromide ion on both sides of The balanced equation is 3 AgNO3(aq) + Na3PO4(aq) equals Ag3PO4(s) + 3 NaNO3(aq). (a) Ag WebAqueous solutions of potassium bromide and silver nitrate react to form a white precipitate. Cheese, ice cream, milk you name it, Wisconsinites love it. (a) Potassium hydrogen carbonate decomposes by heating to give solid potassium carbonate, water, and carbon dioxide gas. However, we did separate potassium nitrate into ions because this ionic compound is What is the balanced equation of silver nitrate and sodium phosphate? In order for a halide ion to be produced, the carbon-halogen bond has to be broken. Weve got your back. The LibreTexts libraries arePowered by NICE CXone Expertand are supported by the Department of Education Open Textbook Pilot Project, the UC Davis Office of the Provost, the UC Davis Library, the California State University Affordable Learning Solutions Program, and Merlot. Right on! symbol aq. A silver halide precipitate forms ranging in colour from white (silver chloride), to cream (silver bromide) and yellow (silver iodide). (a) HNO3(aq) + Ba(OH)2(aq) ---- (ii) Substances reduced is Cu as hydrogen is oxidised as it gains oxygen. Try BYJUS free classes today! Group 17: Chemical Properties of the Halogens, { Halide_Ions_as_Reducing_Agents : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", Halogens_as_Oxidizing_Agents : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", Interhalogens : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", More_Reactions_of_Halogens : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", Oxidizing_Ability_of_the_Group_17_Elements : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", Testing_for_Halide_Ions : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", The_Acidity_of_the_Hydrogen_Halides : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()" }, { "0Group_17:_Physical_Properties_of_the_Halogens" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "1Group_17:_General_Reactions" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "Z009_Chemistry_of_Fluorine_(Z9)" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "Z017_Chemistry_of_Chlorine_(Z17)" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "Z035_Chemistry_of_Bromine_(Z35)" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "Z053_Chemistry_of_Iodine_(Z53)" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "Z085_Chemistry_of_Astatine_(Z85)" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()" }, [ "article:topic", "solubility product", "ionic compounds", "Ammonia", "precipitate", "authorname:clarkj", "showtoc:no", "concentrations", "precipitates", "halide ions", "fluoride", "chloride", "bromide", "iodide", "Silver nitrate", "insoluble ionic compounds", "molar concentrations", "license:ccbync", "licenseversion:40" ], https://chem.libretexts.org/@app/auth/3/login?returnto=https%3A%2F%2Fchem.libretexts.org%2FBookshelves%2FInorganic_Chemistry%2FSupplemental_Modules_and_Websites_(Inorganic_Chemistry)%2FDescriptive_Chemistry%2FElements_Organized_by_Block%2F2_p-Block_Elements%2FGroup_17%253A_The_Halogens%2F1Group_17%253A_General_Reactions%2FTesting_for_Halide_Ions, \( \newcommand{\vecs}[1]{\overset { \scriptstyle \rightharpoonup} {\mathbf{#1}}}\) \( \newcommand{\vecd}[1]{\overset{-\!-\!\rightharpoonup}{\vphantom{a}\smash{#1}}} \)\(\newcommand{\id}{\mathrm{id}}\) \( \newcommand{\Span}{\mathrm{span}}\) \( \newcommand{\kernel}{\mathrm{null}\,}\) \( \newcommand{\range}{\mathrm{range}\,}\) \( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\) \( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\) \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\) \( \newcommand{\Span}{\mathrm{span}}\) \(\newcommand{\id}{\mathrm{id}}\) \( \newcommand{\Span}{\mathrm{span}}\) \( \newcommand{\kernel}{\mathrm{null}\,}\) \( \newcommand{\range}{\mathrm{range}\,}\) \( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\) \( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\) \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\) \( \newcommand{\Span}{\mathrm{span}}\)\(\newcommand{\AA}{\unicode[.8,0]{x212B}}\), Oxidizing Ability of the Group 17 Elements, Confirming the precipitate using ammonia solution, An alternative test using concentrated sulfuric acid, status page at https://status.libretexts.org, precipitate dissolves to give a colorless solution, precipitate is almost unchanged using dilute ammonia solution, but dissolves in concentrated ammonia solution to give a colorless solution, precipitate is insoluble in ammonia solution of any concentration, steamy acidic fumes (of HBr) contaminated with brown bromine vapor, some HI fumes with large amounts of purple iodine vapor and a red compound in the reaction vessel. (i) Hydrogen + Chlorine Hydrogen chloride, (ii) Barium chloride + Aluminium sulphate Barium sulphate + Aluminium chloride, (iii) Sodium + Water Sodium hydroxide + Hydrogen, (ii) 3 BaCl2 + Al2(SO4)3 BaSO4 + 2 AlCl3. Registered in England and Wales no. A solution of a substance X is used for white washing. WebThe mixture is then stirred with a glass stirring rod and the precipitate is allowed to settle for about a minute. This side-effect also lies behind the urban myth that bromide was added to the tea of prisoners and World War I soldiers in order to reduce sexual urges . [CBSE 2015 (Delhi)], NCERT Solutions for Class 10 Science Chapter 1 Chemical Reactions and Equations Chapter End Questions Q12. A molecular equation is a chemical equation in which all reactants and products have (a) nickel metal is heated with oxygen gas to produce nickel(II) oxide It is tempting to think that the reaction will be faster if the electronegativity difference is greater. (a) Nickel metal is put into a lead(II) acetate solution (b) Ca + O2----, 35. The tertiary halide produces a precipitate almost instantly. WebScience Chemistry Based on the solubility observations, would you except potassium and bromide to form a precipitate, and would you except sodium and nitrate to form a The most effective way is to do a substitution reaction which turns the halogen into a halide ion, and then to test for that ion with silver nitrate solution. pale yellow precipitate of silver bromide formed indicates the (b) Lead metal is put into a nickel(II) acetate solution, 57. (a) copper wire is placed in an aluminum nitrate solution What is the magnitude of the current density? WebTo this, a few drops of silver nitrate (AgNO 3) solution are added. Add silver nitrate solution to a solution of bromide ions. E) none of the above. still present in the aqueous solution. And we must use the state symbol aq to show that it is dissolved in an aqueous Name the element X and the black coloured compound formed. This prevents unreacted hydroxide ions reacting with the silver ions. So this is soluble will write it as silver nitrate, Aquarius. Please enable it in your browser. What is the precipitate formed from silver nitrate and potassium chloride? B) sulfate. A precipitation reaction is a reaction that yields an insoluble producta precipitatewhen two solutions are mixed. When alcohol is rubbed on your body, it lowers your skin WebThe potentiometric titration of chloride, bromide, iodide and thiocyanate with silver nitrate, using the mineral pyrite as a sensor for the detection of the end-point, is described. E) none of the above. When they react with each other, pale-yellow colour precipitate and colourless solution is given. Explain. Balanced equations for the single replacement reactions: We also use third-party cookies that help us analyze and understand how you use this website. Rust is mainly hydrated iron (III) oxide [Fe2O3.xH20]. presence of bromide ions. Its formula is CaO. (a) chemical reaction; (b) physical change, 3. The table below lists solubility products from silver chloride to silver iodide (a solubility product for silver fluoride cannot be reported because it is too soluble). (a) K(s) + H2O(l)---- Model release not required. solution. It does not store any personal data. WebUse the solubility rules (Table 4.1) to decide which of the following compounds are expected to be soluble and which insoluble. The precipitate will be silver bromide, as long as the solutions 3 How are silver bromide and sodium nitrate alike? Cores Pints. During the reactions the nitrate group becomes substituted with the halide forming a precipitate. Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. (b) mercury(II) chloride, HgCl2 ions. potassium bromide solutions. Why does the colour of copper sulphate solution change when an iron nail is dipped in it ? What compound forms a precipitate with silver nitrate? A The cookies is used to store the user consent for the cookies in the category "Necessary". silver chromate. Double replacement reaction, producing silver bromide and sodium nitrate. (a) insoluble; (b) insoluble (c) insoluble; (d) insoluble. Thus two molecules of water on electrolysis give two molecules of hydrogen gas and one molecule of oxygen gas or in other words the amount of hydrogen gas collected would be double than that of oxygen gas. Here, copper oxide is being reduced to copper because oxygen gets removed from copper oxide. Cd(s) + Co(nO3)2 (aq) --- Cd(NO3)2(aq) + Co(s), 13. pale yellow precipitate of silver bromide formed indicates the Write equations for these reactions. By clicking Accept All, you consent to the use of ALL the cookies. (b) Cd(s) + HNO3(aq) ----, 65. (a) Ag (a) Aqueous solutions tin(II) chloride and potassium sulfide react to give a tin(II) sulfide precipitate and aqueous potassium chloride Lil (aq) + AgNO3 (aq) ---Agl (s) + LiNO3 (aq) AX + BZ yields AZ + BX Double replacement reaction two compounds exchange anions. WebPotassium bromide solution (0.2 mol (0.2 mol/dm 3) *Barium chloride solution (0.2 mol/dm 3) Silver nitrate solution A cream precipitate indicates the presence of the bromide ion. (a) cobalt(III) carbonate decomposes with heat to give solid cobalt(III) oxide, and carbon dioxide gas Therefore, the chemical formula of potassium bromide is KBr. Write one equation each for decomposition reactions where energy is supplied in the form of heat, light and electricity. (c) Barium chloride reacts with aluminium sulphate to give aluminium chloride and a precipitate of barium sulphate. NCERT Solutions for Class 10 Science Chapter 1 Chemical Reactions and Equations Chapter End Questions Q14. We taste-tested 50 store-bought flavors, from chocolate ice cream to caramel cookie crunch, in the GH Test Kitchen to pick the best ice creams for dessert. Predict the metals reaction with sulfuric acid. The ionic equation for the reaction is Ag + + Br- AgBr . What did the Nazis begin using gas chambers instead of mobile killing units and shooting squads after a while. Tick the correct answer : (a) Hydrogen gas and iron chloride are produced. Ag + (aq) + Cl - (aq) AgCl (s) Ag + (aq) + Br - (aq) AgBr (s) Ag + (aq) + I - (aq) AgI Each ion must be written with its ionic charge followed by the state symbol aq. WebYes, a reaction occurs. Translate the following statements into chemical equations and then balance them. Science Photo Library's website uses cookies. This website uses cookies to improve your experience while you navigate through the website. [CBSE 2015 (Delhi)]. AgNO3 and NaBr combine in aqueous medium to form AgBr (silver bromide) and Sodium nitrate (NaNO3). The precipitate is Co(OH)2. Name this gas. (c) Mg(s) + HC2H3O2(aq) --- Mg(C2H3O2)2(aq) + H2(g) Become a contributor: contributors@sciencephoto.com, Science Photo Library Limited 2023 The effect of adding the ammonia is to lower this concentration still further. (a) aluminum nitrate, Al(NO3)3 With molar masses of 22.99 and 35.45 g/mol respectively, 100 g of NaCl contains 39.34 g Na and 60.66 g Cl. (d) Al, 53. (b) aluminum wire is placed in a copper(II) nitrate soultion, 55. Try our 7-Select Banana Cream Pie Pint, or our classic, 7-Select Butter Pecan Pie flavor. MnBr (aq) + Pb (NO) (aq) Mn (NO) (aq) + PbBr (s) The complete ionic equation includes all the ions and the species that do not dissociate in water. This prevents unreacted hydroxide ions reacting with the silver ions. [CBSE 2015 (Delhi)]. Answer: By combining Silver Nitrate with Sodium Bromide you are performing a double replacement reaction. WebTo this, a few drops of silver nitrate (AgNO 3) solution are added. Give examples. Netflix Original Flavors. The primary halide may take considerably longer to produce a precipitate. involved in the chemical reaction. WebThere will be two precipitates -- potassium nitrate and silver bromide Yes. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. Why should a magnesium ribbon be cleaned before burning in air ? Select a product type: Ice Cream Pints. Selecta Philippines. potassium bromide solutions is Ag+ aqueous plus Br aqueous react to form AgBr Non-Dairy Pints. precipitate are the nitrate and potassium ions. Chapter 1 Chemical Reactions and Equations science 10th class. Enough solid is always precipitated to lower the ionic product to the solubility product. Endothermic reactions : Those reactions in which heat is absorbed are known as endothermic reactions. The black coloured compound is copper oxide (CuO). Balanced equation for each single replacement reactions: What is the molecular formula for sodium bromide? SCIENCE PHOTO LIBRARY. What precipitate forms when silver nitrate and potassium chromate solutions are mixed? By sharing this link, I acknowledge that I have read and understand What type of reaction is Sodium Bromide and Silver Nitrate? They can only be differentiated in a side-by-side comparison. (d) lead(II) iodide, Pbl2, 69. In the question, we are told there is a reaction between aqueous silver nitrate and A pale-yellow precipitate is produced in the reaction between aqueous silver nitrate exception to this rule is silver chloride. (c) Sr(s) + 2 H2O(l) ---SrOH(aq) + H2(g) The light sensitive silver halides, silver chloride, silver bromide and silver iodide, are used to make photographic film and photographic paper. Predict the compounds insolubility in water: The chemical formula of the polyatomic nitrate ion is NO31. Explain by giving examples. Secondary halogenoalkanes do a bit of both of these. A primary chloro compound probably won't give any precipitate until well after you have lost interest in the whole thing! The reaction involved is, NCERT Solutions for Class 10 Science Chapter 1 Chemical Reactions and Equations Chapter End Questions Q17.