Which statement always applies to an electrophile?

AAttacks alkenes only.

BPositively charged.

CContains a lone pair of electrons.

DElectron deficient.

Explanation

The marking scheme gives answer D. An electrophile is always electron deficient (electron pair acceptor). It need not be positively charged (e.g.

Br_2

is a neutral electrophile) and it does not contain a lone pair.

ZIMSEC Chemistry Paper 3, June 2009, Q10

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