Which of the following compounds will not exist as resonance hybrid. Give reason for your answer.
(a) `CH_(3)OH`
(b) `R - CONH_(2)`
(c) `CH_(3) CH = CHCH_(2)NH_(2)`

CH_(3)CH_(2)CONH_(2)overset(X)to CH_(3)CH_(2)CH_(2)NH_(2) X is:

Which of the following compounds is most susceptible to a nucleophilic attack at the carbonyl group? (a) CH_(3)COOCH_(3 ) (b) CH_(3)CONH_(2 ) (c) CH_(3)COOCOCH_(3 ) (d) CH_(3)COCl

Which of the following is a stronger base? Give reason to justify your answer. {:(CH_(2)=CH-NH_(2)" "CH_(2)=N-CH_(3)),(" "I" "II):}

Which of the following compounds will show geometrical isomerism ? (a) H_(2)C= CBr_(2)" "(b) (H_(3))C)_(2)C= CHCH_(3)" "(c) C_(6)H_(5)CH= CHCH_(3) (d) CH_(3)CH_(2)underset(CH_(3))underset(|)C=CHCH_(2)CH_(3)" "(e) H_(3)C-CH= C Cl(CH_(3))