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M^(n+)(aq.)+KI to underset(p pt.)(X darr...

`M^(n+)(aq.)+KI to underset(p pt.)(X darr) underset(KI)overset("Excess")to` ppt. remains insoluble in excess KI solution. Then cation `M^(n+)(aq.)` can be:

A

`Pb^(2+)(aq.)`

B

`Cu^(2+)(aq.)`

C

`Bi^(3+)(aq.)`

D

`Hg^(2+)(aq.)`

Text Solution

Verified by Experts

The correct Answer is:
B
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