REACTIONS 1. concentrated sulphuric acid + solid potassium chloride 2. concentrated sulphuric acid + solid potassium bromide 3. concentrated sulphuric acid + solid potassium iodide solid potassium chloride make a note of any changes Acidimetr y 1 1 1 presenc e of hydroge n halide gas Yes Yes Yes detectio presenc e of n of hydroge sulfur n sulfide dioxide gas gas Absent No Absent Yes Present Yes

REACTIONS 1. concentrated sulphuric acid + solid potassium chloride 2. concentrated sulphuric acid + solid potassium bromide 3. concentrated sulphuric acid + solid potassium iodide solid potassium chloride make a note of any changes Acidimetr y 1 1 1 presenc e of hydroge n halide gas Yes Yes Yes detectio presenc e of n of hydroge sulfur n sulfide dioxide gas gas Absent No Absent Yes Present Yes

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter20: Chemistry Of The Metals

Section: Chapter Questions

Problem 34QAP: The equilibrium constant for the reaction 2CrO42(aq)+2H+(aq)Cr2O72(aq)+H2O is 31014 . What must the...

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Silver chromate (Ag2CrO4) is a red solid that dissolves in water to the extent of 0.029 g L-1 at 25°C. Estimate its Ksp and compare your estimate with the value in Table 16.2.
The equilibrium constant for the reaction 2CrO42(aq)+2H+(aq)Cr2O72(aq)+H2O is 31014 . What must the pH be so that the concentrations of chromate and dichromate ion are both 0.10 M?
A. This is the equilibrium constant for the reactionin which a solid salt dissolves to give its constituent ions in Chemicalequilibrium constant Solubilityproduct constant Idealgas constant Noneof these B. Directprecipitimetry: Van’tHoff Method VolhardMethod MohrMethod Gay-LussacMethod C. Molecules which provide a group ofattachments used in Maskingagents Demaskingagents Ligands Chelatingagents D. Substances that determine the concentrationof a metal in the presence of another metal Maskingagents Demaskingagents Ligands Chelatingagents E. EDTAis an example of a: Masking agent Demaskingagent Ligand Chelatingagent For numbersF to H, identify the component of the chemical reaction: PO4-3 + H3O+ → HPO4-2 + H2O. Select from the following choices: Acid Base Conjugateacid Conjugatebase F. PO4-3 G. HPO4-2 H. H2O For numbers I to L, consider the given chemical equation: NH3(aq) + H2O(l) ↔ NH4+(aq) + OH-(aq) I Thechemical reaction from the given…
Assay of sodium nitrite is an example of assay under? Cerimetry Iodometry Permanganometry Iodimetry Brominimetry
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Balance these equations by providing the missingcoefficients:(a) __ Fe1s2 + __O21g2¡__Fe2O31s2(b) __ Al1s2 + __ HCl1aq2¡__ AlCl31aq2 + __ H21g2(c) __ CaCO31s2 + __ HCl1aq2¡__ CaCl21aq2 +__ CO21g2 + __ H2O1l2
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Suggest a method by which Ni2+ can be precipitated homogeneously as NiS. a. Add sodium sulfste to the solution to precipitate NiSO4. Heat the nickel(II) sulfate to liberate O2 and yield pure NiS. b. The slow hydrolysis of thioacetamide can be used to generate a source of hydrogen sulfide gas, which provides the S²- to complex with the Ni2+. c. Add thiosulfuric acid to the solution to react with Ni2+ and precipitate NiS. d. Heat S8 in the presence of Ni2+, in an inert atmosphere, to produce NiS.
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Determine the initial concentration of Fe3+ and SCN- in the equilibrium solution. Solution 1 0.002 M iron (III) nitrate in 1 M nitric acid: 5mL 0.002 M potassium thiocyanate: 1 mL DI water: 4mL volume: 10.1mL absorbance: 0.062
What are the name and formulas of the compound commonly used in the manufacture of glass to increase the index of reaction?
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