1.

The heats of neutralisation of four acids A, B, C, D are -13.7, -9.4, -11.2 and -12.4 kcal respectively when they are neutralised by a common base. The acidic character obeys the order:

Answer»

AgtBgtCgtD
AgtDgtCgtB
DgtCgtBgtA
DgtBgtCgtA

Answer :B


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