MCQ
Acetic acid dissolved in benzene shows a molecular mass of
- A$30$
- B$60$
- ✓$120$
- D$240$
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(Given atomic number of $\mathrm{Cr}$ is 24 )
$2H_2 + 2NO \to N_2 + 2H_2O$
the following mechanism has been proposed
$(i)$ $2NO \rightleftharpoons N_2O_2\,$ (fast)
$(ii)$ $N_2O_2 + H_2 \xrightarrow{{{k_2}}} N_2O + H_2O\,$ (slow)
$(iii)$ $N_2O + H_2 \to N_2 + H_2O\,$ (fast)
then what will be the rate law of this reaction ?