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NEET UG CHEMISTRY MCQ: SOLUTIONS

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Application +4 | -1

The vapour density of undecomposed

{\mathrm{N}_2}{\mathrm{O}_4}

is 46. When heated, vapour density decreases to 24.5 due to its dissociation to

\mathrm{N}{\mathrm{O}_2}.

The per cent dissociation of

{\mathrm{N}_2}{\mathrm{O}_4}

at the final temperature is :

View answer and explanation

Correct option: A

87

Option A (87) is correct because the percent dissociation is calculated using the change in vapor density and the stoichiometry of the reaction.

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