MCQ
Normally, the time taken in the transition is :
- AZero
- B$1$
- C$10^{-5} \, sec$
- ✓$10^{-8} \, sec$
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$I.$ monosubstituted alkene
$II.$ disubstituted alkene
$III.$ trisubstituted alkene
Which of the following statement(s) is(are) correct ?

${N_2}{O_4}(g)\, \to \,2N{O_2}(g)$
Data for the given reaction is
$\Delta H = +54\,kJ$ and $E_a = + 57.2\,kJ$
.......$kJ$
