Enthalpy of formation of HF and HCl are - ,161 ,kJ and - ,92 ,kJ … - Vidyadip

MCQ

Enthalpy of formation of $HF$ and $HCl$ are $ - \,161\,kJ$ and $ - \,92\,kJ$ respectively. Which of the following statements is incorrect

✓
$HCl$ is more stable than $HF$
B
$HF$ and $HCl$ are exothermic compounds
C
The affinity of fluorine to hydrogen is greater than the affinity of chlorine to hydrogen
D
$HF$ is more stable than $HCl$

✓

Answer

Correct option: A.

$HCl$ is more stable than $HF$

(a) $HF $ is more stable than $HCl.$

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