A) \[P{{h}_{3}}\overset{+}{\mathop{C}}\,\]
B) \[P{{h}_{2}}\overset{+}{\mathop{C}}\,\,H\]
C) \[P{{h}_{2}}\overset{+}{\mathop{C}}\,\,{{H}_{2}}\]
D) \[Ph\overset{+}{\mathop{C}}\,\,{{H}_{2}}\]
Correct Answer: A
Solution :
Key Idea: Resonance stabilises the compound Therefore, \[P{{h}_{3}}\overset{+}{\mathop{C}}\,\] is most stable due to presence of three benzene rings which are resonance stabilised.
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