C-1 : never break a single bond while drawing a resonance structure. C-2 : never exceed the octet of a second-period atom (C, N, O). For the curved-arrow move described below, which statement is corre

Question

C-1 : never break a single bond while drawing a resonance structure.

C-2 : never exceed the octet of a second-period atom (C, N, O).

For the curved-arrow move described below, which statement is correct ?

structure

The $C = C$ pi electrons of $C H_{2} = CH - N^{+} (C H_{3})_{3}$ are pushed towards nitrogen to make a new $C = N$ bond.

TestHub · Accepted Answer

The nitrogen has four bonds and no lone pair. A new C = N bond would give it five bonds (10 electrons). C-2 is violated.

Chemistry - GOC Question with Solution | TestHub