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The electrophile involved in the above reaction is
A. |
Dichlorocarbene `(text(:CC)L_2)` |
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B. |
Trichloromethyl anion `(overset{Theta}{C}CL_3)` |
C. |
Formyl cation `(overset{o+}{C}HO)` |
D. |
Dichloromethyl cation `(overset{o+}{C}HCL_2)` |