কোনটির ΔΗ এর মান সবচেয়ে কম?

A HCl(aq)+NaOH(aq)=NaCl(aq)+H2O(l)

B 1/2H2SO4(aq)+KOH(aq)=1/2K2SO4+H2O(l)

C CH3COOH(aq)+NaOH(aq)=CH3COONa(aq)+H2O(l)

D HCOOH(aq)+NH4OH(aq)=HCOONH4(aq)+H2O(l)

Solution

Correct Answer: Option D

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