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Which of the following will not give positive chromyl chloride test?
A. Copper chloride, `CuCl_(2)`.
B. Mercuric chloride, `HgCl_(2)`.
C. Zinc chloride, `ZnCl_(2)`
D. Anilinium chloride `C_(6)H_(5)NH_(3)Cl`.

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Correct Answer - B
`HgCl_(2)` fails to give positive chromyl chloride test because of its covalent nature i.e., it does not dissociate to give `Cl^(-)`.

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