• question_answer Which of the following mixtures of gases does not obey Dalton's law of partial pressure [CBSE PMT 1996: Kerala PMT 2000] A)                 ${{O}_{2}}$ and $C{{O}_{2}}$                B)                 ${{N}_{2}}$ and ${{O}_{2}}$ C)                 $C{{l}_{2}}$ and ${{O}_{2}}$   D)                 $N{{H}_{3}}$ and HCl

Solution :

Because $HCl$ & $N{{H}_{3}}$ gases may react to produce $N{{H}_{4}}Cl$ gas. Dalton's Law is applicable for non reacting gas mixtures.

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