1.

Consider the following sequence of reactions: H_(2)C=CH-CH=CH_(2)overset(Br_(2)("1Mole"))underset("CCl"_(4))toA overset("1.KCN(excess)")underset(2.H_(2),Ni)toB. The end product (B) is :

Answer»

`H_(2)N-(CH_(2))_(2)-CH=CH-(CH_(2))_(2)-NH_(2)`<BR>`H_(2)N-(CH_(2))_(6)-NH_(2)`
`NC-CH_(2)-CH=CH-CH_(2)-CN`
`H_(2)C=CH-underset(NH_(2))underset(|)CH-(CH_(2))_(2)-NH_(2)`

Solution :`H_(2)C=CH-CH=CH_(2)overset(Br_(2)(1" mole"))underset("CCl"^(4))toH_(2)underset(Br)underset(|)C=CH=CH-underset(Br)underset(|)CH_(2)overset(KCN,H_(2),NI)tounderset("NH"_(2)-NH_(2))underset(|)("H"_(2)C-CH_(2))-underset("CH"_(2)NH_(2))underset(""|)(CH_(2)-CH_(2))`


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