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 stabilized.
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