Question

Which of the following resonating structures
1-methoxy-1,3-butadiene is least stable?
(a) ČH2 – CH=CH-CH= O-CH3
(b)CH2 = CH – CH-CH= O-CH3
(©) CH2 – CH-CH=CH-O-CHz
(d) CH2 = CH-CH-CH-O-CH;​

Answer 1

Answer:

(©) CH2 – CH-CH=CH-O-CHz..............