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A new carbon-carbon bond formation is po...

A new carbon-carbon bond formation is possible in

A

Cannizaro's reaction

B

Friedal Crafts's reaction

C

Clemmensen reduction

D

Reimer-Tiemann reaction

Text Solution

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The correct Answer is:
B, D
In Cannizaro's reactions,
`2HCHO + underset(("conc"))(NaOH)rarr CH_(3)OH+ HCOONa`
new `C-C` bond is not formed. In Friedal-Craft reaction,

New C-C bond is formed,
In Clemmensen reduction,

new C-C bond is not formed.
In Reimer Tiemann reaction,

New C-C bond is formed.
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