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The role of NH(4)Cl in the precipitation...

The role of `NH_(4)Cl` in the precipitation of the hydroxides of group III cations is to:

A

increase the `[Cl^(-)]`

B

facilitate the dissociation of `NH_(4)OH`

C

suppress the dissociation of `NH_(4)OH` by the common ion effect.

D

render the solution weakly acidic.

Text Solution

Verified by Experts

The correct Answer is:
C
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