1.

Compound A on elimination gives 2-methyl 2-butene. The compound A is

Answer»

neo-pentyl bromide <BR>iso-pentyl bromide
t-pentyl bromide
all of these

Solution :`(CH_(3))_(2)CBrCH_(2)-CH_(3) OVERSET("KOH//alc")to (CH_(3))_(2) C=CH-CH_(3)+Br+H_(2)O`
or `(CH_(3))_(2) CH-CHBr-CH_(3) overset("KOH//alc")to (CH_(3))_(2) C=CH-CH_(3)+Br+H_(2)O`
Neopentyl bromide also give 2-methyl 2-butenek on elimination by REARRANGMENT REACTION.
`(CH_(3))_(3)C C_(2)-Br overset("KOH//alc")to (CH_(3))_(2) C=CH-CH_(3)+Br+H_(2)O`


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