Analytical Chemistry Question 116

Question: The following four solutions are kept in separate beakers and copper metal is put in each of them. Which solution will become blue after some time

[MP PMT 2003]

Options:

A) $ AgNO_3 $ solution

B) $ Zn{{( NO_3 )}_2} $ solution

C) $ Ba{{( NO_3 )}_2} $ solution

D) $ NaNO_3 $ solution

Show Answer

Answer:

Correct Answer: A

Solution:

$ Cu+2AgNO_3\to Cu{{(NO_3)}_2}+2Ag $