In which of the following are the curved arro | vedclass

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(C) In option $C$,the curved arrow starts from the positive charge on the $CH_2$ group and points towards the benzene ring. This is incorrect because

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(C) In option $C$,the curved arrow starts from the positive charge on the $CH_2$ group and points towards the benzene ring. This is incorrect because curved arrows must represent the movement of electrons (from a region of high electron density to a region of low electron density,or from a bond/lone pair to an atom/bond). $A$ positive charge represents a deficiency of electrons and cannot be the source of electron movement. The correct representation would involve the $\pi$-electrons of the benzene ring moving towards the $CH_2^+$ group.

In which of the following are the curved arrows not correctly mentioned to show the movement of electrons in drawing resonating structures?

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