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To increase significantly the concentrat...

To increase significantly the concentration of free `Zn^(2+)` ion is a solution of the complex ion `[Zn(NH_(3))_(4)]^(2+)`
`Zn^(2+) (aq)+4NH_(3) (aq) hArr [Zn(NH_(3))_(4)]^(2+) (aq)`
Add to the solution some:

A

`H_(2)O`

B

`HCl(aq)`

C

`NH_(3)(aq)`

D

`NH_(4)Cl(aq)`

Text Solution

Verified by Experts

The correct Answer is:
B
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