The heats of Neutralization of four acids are -13.7, -9.4, -11.2 and -12.4 Kcal respectively when they are neutralized by common base. Then the order of their acidic character is

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A > B > C > D

A > D > C > B

D > C > B > A

D > B > C > A

answer is B.

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Detailed Solution

More amount of heat is released during neutralization, more will be the strength of the acid.(ΔNH)HA/BOH=ΔIEHHA+ΔIEHBOH+ΔNHH+/OH−

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