`C_(6) H_(5) CH_(2) "CHO" underset(Delta)underset("dil NaOH")(rarr) `(A)
The structure of compound (A ) would be

Options

A. `C_(6) H_(5) CH_(2) CH = CH CH_(2) C_(6) H_(5)`
B. `C_(6) H_(5) CH_(2) CH = overset(C_(6) H_(5))overset(|)(C ) - CHO`
C. `C_(6) H_(5) CH_(2) underset(OH)underset(|)(CH) - underset(C_(6) H_(5))underset(|)(CH ) - `CHO
D. `C_(5)H_(5) - underset(OH)underset(|)(CH) - CH_(2) CO_(2)` H

Answer

B

Explanation

This is an example of a simple base catalysed self aldol condensation done on phenyl ethanal