A 3o alcohol as shown can be obtained by the reaction of ketone (diisopropyl ketone) and__________.
A
isopropyl magnesium bromide
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B
isopropyl lithium
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C
diisopropyl cadmium
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D
diisopropyl zinc
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Solution
The correct option is C isopropyl lithium R..⊖ in RLi is more
nucleophilic than in R′MgX, or R′2Cd or R′2Zn and
therefore, is sufficiently reactive to overcome the steric hindrance.