1.Which of the following pairs of structure is not a pair of resonating structure?a.H−C≡N−H\text{H}{-}\text{C}{\equiv}\text{N}{-}\text{H}H−C≡N−H ; H−C=N−H\text{H}{-}\text{C}{=}\text{N}{-}\text{H}H−C=N−Hb.CH3CH=CHCH3\text{CH}_3\text{CH}{=}\text{CHCH}_3CH3CH=CHCH3 ; CH3CH2CH=CH2\text{CH}_3\text{CH}_2\text{CH}{=}\text{CH}_2CH3CH2CH=CH2c.CH3−C=CH−C(O−)−CH3\text{CH}_3{-}\text{C}{=}\text{CH}{-}\text{C}(\text{O}^-){-}\text{CH}_3CH3−C=CH−C(O−)−CH3 ; CH3−C(−CH−)−C(O)−CH3\text{CH}_3{-}\text{C}({-}\text{CH}^-){-}\text{C}(\text{O}){-}\text{CH}_3CH3−C(−CH−)−C(O)−CH3d.CH2=CH−CH=CH2\text{CH}_2{=}\text{CH}{-}\text{CH}{=}\text{CH}_2CH2=CH−CH=CH2 ; CH2−CH=CH−CH2\text{CH}_2{-}\text{CH}{=}\text{CH}{-}\text{CH}_2CH2−CH=CH−CH2Login to continueOnly logged in users canattempt or see the solution.
