HARDMCQ SINGLEJEE Mains ChemistryPhysical ChemistryIonic equilibriumAchiever Section

Consider  the  following  reaction  which  proceeds predominantly forward HSO NH NH SO From the information given it is clear that (a) HSOis a stronger acid than NH.

B.NH₃ is a weaker base than
D.NH₃ is a weaker base than
Explanation

In a given reaction, the position of equilibrium favours the formation of weak acid and weak base. Thus, in the question, Reaction proceeds in forward direction i.e. formation of 4 NH and 2 4 SO are favoured. 4 NHand 2 4 SO are a weaker electrolyte (acid and base respectively). Thus, 4 HSOis  stronger  acid  than 4 NHand 3 NH is stronger base than 2- 4 SO

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