A) \[C{{H}_{3}}\overset{+}{\mathop{C}}\,{{H}_{2}}\]
B) \[\overset{+}{\mathop{C}}\,{{H}_{3}}\]
C) \[{{C}_{6}}{{H}_{5}}\overset{+}{\mathop{C}}\,{{H}_{2}}\]
D) \[C{{H}_{3}}C{{H}_{2}}\overset{+}{\mathop{C}}\,{{H}_{2}}\]
Correct Answer: C
Solution :
A phenyl group, in which there is a flow of electron due to resonance of the benzene ring, generally causes\[-I\]effect, but truely speaking it can act as both electron donating as well as electron withdrawing groups, depending upon the nature of group with which it is attached. In\[{{C}_{6}}{{H}_{5}}CH_{2}^{+},\]phenyl group is attached to electron deficient group, hence, it will donate electron due to resonance in benzene ring and thus stabilise the cation.
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