Copper (II) is estimated by the addition...

Copper `(II)` is estimated by the addition of the following reagent

A

excess KCN solution

B

excess KI solution

C

excess `Na_(2)S_(2)O_(3)`

D

excess aq. `NH_(3)`

Text Solution

Verified by Experts

The correct Answer is:

B

`2CuSO_(4)+4KIrarrCu_(2)I_(2)+2K_(2)SO_(4)+I_(2)`

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