MCQ
Which one is most reactive towards nucleophilic addition reaction ?
- A

- B

- C

- ✓






Electron withdrawing $(-1,-M)$ groups increase reactivity towards nucleophilic addition reactions.Thus correct order is
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$\mathrm{Cl}_2 \mathrm{O}_7, \mathrm{CO}, \mathrm{PbO}_2, \mathrm{~N}_2 \mathrm{O}, \mathrm{NO}, \mathrm{Al}_2 \mathrm{O}_3, \mathrm{SiO}_2, \mathrm{~N}_2 \mathrm{O}_5,\mathrm{SnO}_2$
$I.$ All the chlorides are bonded by primary valency
$II.$ All the chlorides are bonded by secondary valency
$III.$ All the $NH_3$ are bonded by secondary valency
$IV.$ Half of the chlorides are bonded with secondary valency


