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Which reaction is not correctly represented for the preparation of alkane ?

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By Expert Faculty of Sri Chaitanya
a
b
c
d
CH3I+HI→420KCH4+I2

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detailed solution

Correct option is B

LiAlH4 convents 3°alkyl halide into alkene thus (2) is incorrect. The reaction is so, because the hydride ion  acts as strong base. tertiary carbon is difficult to be attacked ,due to steric effect,hence elimination is favoured. As follows CH33CCl→LiAlH4CH32C=CH2


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