1.

Thenumberof alkanylgroupspossiblefromC_ 4H _ 7are

Answer»

7
5
3
8

Solution :Followingfive alkenyl groupsare possiblefrom` -C _4 H _ 7 `
(i)` CH _ 3 - CH _ 2-CH =CH - `
(ii)`CH _3 -CH = CH-CH _ 2-`
(iii )` CH _ 2=CH -CH _ 2-CH _ 2- `
(iv)` CH _ 3- underset (CH _ 3) underset(|) C -CH -`
(v)` CH _3 - underset ( CH _ 2- ) underset ( |)C =CH `


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