Which of the following represents an incorrec | vedclass

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(C) The electromeric effect involves the complete transfer of a shared pair of $\pi$-electrons to one of the atoms joined by a multiple bond on the de

Vedclass · Accepted Answer

$CH_3-C \equiv N 	o CH_3-C^{-}=N^{+}$

Vedclass · Answer

(C) The electromeric effect involves the complete transfer of a shared pair of $\pi$-electrons to one of the atoms joined by a multiple bond on the demand of an attacking reagent. The more electronegative atom should acquire the negative charge. In option $C$,the nitrogen atom is more electronegative than the carbon atom. Therefore,the $\pi$-electrons should shift towards the nitrogen atom,resulting in $CH_3-C^{+}=N^{-}$. The given representation $CH_3-C^{-}=N^{+}$ is incorrect because it assigns a negative charge to the less electronegative carbon atom and a positive charge to the more electronegative nitrogen atom.

List-$I$	List-$II$
$(A)$ Resonance	$(I)$ $C=C + H^+ \rightarrow C^+-C-H$
$(B)$ Inductive effect	$(II)$ $H-CH_2-CH_2^+ \leftrightarrow H-CH_2=CH_2^+$
$(C)$ Electromeric effect	$(III)$ $C_6H_6$
$(D)$ Hyperconjugation	$(IV)$ $CH_3-Z \rightarrow CH_3^- + Z^+$
	$(V)$ $CH_3-CH_2-CH_2Cl$

Which of the following represents an incorrect electromeric effect?

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