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Co^(2+)+KCN (not in excess) rarr Precipi...

`Co^(2+)+KCN` (not in excess) `rarr` Precipitate. Select the correct statement(s) with respect to the precipitate.

A

It is yellow in colour

B

It is reddish-brown in colour

C

It dissolves in excess of the reagent forming a brown solution

D

It is obtained when brown solution (option (c)] is acidified with dilute HCI in the cold.

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The correct Answer is:
B, C, D
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