1.

How many alkene on catalytic reduction give normal butane as product. (i). (A)overset(H_(2)//Pt)ton-butene (ii) (B)overset(H_(2)//Pt)to Iso-pentane (iii). (C)overset(H_(2)//Pt)toNeo-pentane (iv). (D)overset(H_(2)//Pt)toCyclopentane (v). .

Answer»

SOLUTION :(i). CIS & trans 2-butene & 1-butene,
(II). `C-underset(C)underset(|)(C)-C=C""C-underset(C)underset(|)(C)=C-C""C-underset(C)underset(||)(C)-C-C`
(iii). Zero (Neo-pentane can not be PREPARED by catalytic hydrogenation of alkene),
(iv). ONE
(v). Including optical Exluding optical=3.


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