Inductive Effect|Electromeric Effect

Electromeric effect is

For the compound : Give the number "1" for presence of resonance only,"2" for presence of resonance and hyperconjugation only,"3" for presence of resonance, hyperconjugation and inductive effect and "4" for presence of resonance hyperconjugation, inductive effect and electromeric effect.

The electromeric effect is

Aromaticity | Electromeric Effect

|| Inductive effect ||

Inductive effect involve