alleryStart learning →NH4CN solution turns red litmus blue because
ACN- hydrolyses more than NH4+
BNH4+ hydrolyses more than CN-
Cboth ions hydrolyse equally
Dneither ion hydrolyses at all
Answer & Solution
Correct answer: A. CN- hydrolyses more than NH4+
HCN is weaker than NH4OH, so CN- hydrolysis yields more OH- and the solution is basic.
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