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A colorless aqueous solution contains nitrates of two metals, X and Y. When it was added to a aqueous solution of NaCI, a white precipitate was formed. This precipitate was found to be partly soluble in hot water to give a residue P and a solution Q. The residue P was soluble in aq. NH; an also in excess sodium thiosulfate. The hot solution Q gave a yellow precipitate with KI. The metal X and Y, respectively, are (A) Ag and Pb (B) Ag and Cd (C) Cd and Pb (D) Cd and Zn

A colorless aqueous solution contains nitrates of two metals, X and Y. When it was added to a aqueous solution of NaCI, a white precipitate was formed. This precipitate was found to be partly soluble in hot water to give a residue P and a solution Q. The residue P was soluble in aq. NH; an also in excess sodium thiosulfate. The hot solution Q gave a yellow precipitate with KI. The metal X and Y, respectively, are (A) Ag and Pb (B) Ag and Cd (C) Cd and Pb (D) Cd and Zn

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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A colorless aqueous solution contains nitrates of two metals, X and Y. When it was added to an aqueous solution of NaCl, a white precipitate was formed. This precipitate was found to be partly soluble in hot water to give a residue P and a solution Q. The residue P was soluble in aq. NH3 and also in excess sodium thiosulfate. The hot solution Q gave a yellow precipitate with KI. The metals X and Y, respectively, are (A) Ag and Pb (B) Ag and Cd (C) Cd and Pb (D) Cd and Zn
Transcribed Image Text:A colorless aqueous solution contains nitrates of two metals, X and Y. When it was added to an aqueous solution of NaCl, a white precipitate was formed. This precipitate was found to be partly soluble in hot water to give a residue P and a solution Q. The residue P was soluble in aq. NH3 and also in excess sodium thiosulfate. The hot solution Q gave a yellow precipitate with KI. The metals X and Y, respectively, are (A) Ag and Pb (B) Ag and Cd (C) Cd and Pb (D) Cd and Zn
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