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
A > B > C > D
b
A > D > C > B
c
D > C > B > A
d
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−