1.

The presence of \[N{{H}_{4}}Cl\] in the test solution while precipitating group III-A hydroxides (in qualitative inorganic analysis) helps in

A. Lowering \[\left[ O{{H}^{-}} \right]\]
B. Lowering \[\left[ N{{H}_{4}}OH \right]\]
C. Increasing \[\left[ O{{H}^{-}} \right]\]
D. Increasing \[\left[ N{{H}_{4}}OH \right]\]
Answer» B. Lowering \[\left[ N{{H}_{4}}OH \right]\]


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