In which of the following has only one pi bond? (a) CH_(3)COCH_(3) (b) CH_(3)CHO (c ) CH_(3)CONH_(2) (d) C_(2)H_(2) (e ) C_(2)H_(4) (f) CH_(3)CH= CH_(2) (g ) CH_(3) - CH= CHCN (h) CH_(3)COOH (i) C_(6)H_(5) COOH

In which of the following has only one pi bond? (a) CH_(3)COCH_(3) (b

1.	In which of the following has only one pi bond? (a) CH_(3)COCH_(3) (b) CH_(3)CHO (c ) CH_(3)CONH_(2) (d) C_(2)H_(2) (e ) C_(2)H_(4) (f) CH_(3)CH= CH_(2) (g ) CH_(3) - CH= CHCN (h) CH_(3)COOH (i) C_(6)H_(5) COOH
Answer» SOLUTION :Only one `pi` bond PRESENT in (a), (b), (C ), ( E), (F)