Q.

NH4CN  is a salt of weak acid HCN  Ka=6.2×1010 and a weak base NH4OH(Kb=1.8×105)A one molar solution of NH4CN will be 

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a

Weakly basic 

b

Strongly acidic 

c

Strongly basic 

d

Neutral

answer is D.

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Detailed Solution

As Kb > Ka , the nature of solution is basic. 

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