1.

(1)CH2=CH2(2)CH3O-CH=CH2(3)CH3O-CH=CH-CHOOEtWhich of the following rotation barrier about the C=C bond, is correct.(a) 1>2>3(b)3>2>1(c)3>1>2(d)2>1>3

Answer» (1)CH2=CH2
(2)CH3O-CH=CH2
(3)CH3O-CH=CH-CHOOEt
Which of the following rotation barrier about the C=C bond, is correct.
(a) 1>2>3
(b)3>2>1
(c)3>1>2
(d)2>1>3


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