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Which halide of formula `C_(4)H_(9)I` is capable of producing but -2-ene with alcoholic KOH solution ?
A. 1-Iodobutane
B. 2-Iodobutane
C. 1-Iodo-2-methylpropane
D. 2-Iodo-2-methylpropane

1 Answer

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Correct Answer - B
`underset("2-Iodobutane")(H_(3)C-underset("I ")underset(|)(C )H)-CH_(2)-CH_(3)overset(alc. KOH)underset(-KI,-H_(2)O)rarr underset("But-2-ene")(H_(3)C-CH=CH)-CH_(3)` (Ssytzeff rule)

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