Analytical Chemistry Question 131

Question: Which of the following will not give positive chromyi chloride test-

Options:

A) Copper chloride, $ CuCl_2 $

B) Mercuric chloride, $ HgCl_2 $

C) Zinc chloride, $ ZnCl_2 $

D) Anilinium chloride, $ C_6H_5NH_3Cl $

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Answer:

Correct Answer: B

Solution:

[b] $ HgCl_2 $ fails to give positive chromyl chloride test because of its covalent nature. i.e., it does not dissociate to give Cl.