An aqueous solution containing an unknown metal ion is treated with a chloride solution under acid conditions; however, no precipitate forms. The solution is then treated with a sulfide solution - again under acidic conditions; again, no precipitate appears. When the solution is neutralized with ammonia, however, a precipitate forms. Given a choice of the following metals, which one is most likely to be the unknown metal? A. cobalt, Co2+ B. copper, Cu2+ C. silver, Ag+ D. potassium, K+ E. calcium, Ca2+ The answer is A
An aqueous solution containing an unknown metal ion is treated with a chloride solution under acid conditions; however, no precipitate forms. The solution is then treated with a sulfide solution - again under acidic conditions; again, no precipitate appears. When the solution is neutralized with ammonia, however, a precipitate forms. Given a choice of the following metals, which one is most likely to be the unknown metal? A. cobalt, Co2+ B. copper, Cu2+ C. silver, Ag+ D. potassium, K+ E. calcium, Ca2+ The answer is A
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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An aqueous solution containing an unknown metal ion is treated with a chloride solution under acid conditions; however, no precipitate forms. The solution is then treated with a sulfide solution - again under acidic conditions; again, no precipitate appears. When the solution is neutralized with ammonia, however, a precipitate forms. Given a choice of the following metals, which one is most likely to be the unknown metal?
A. cobalt, Co2+
B. copper, Cu2+
C. silver, Ag+
D. potassium, K+
E. calcium, Ca2+
The answer is A
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