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Question

Which of the following reactions will not result in the formation of carbon-carbon bond?

A
Reimer - Tiemann reaction
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B
Friedel Crafts acylation
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C
Wurtz reaction
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D
Cannizzaro reaction
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Solution

The correct option is D Cannizzaro reaction
Cannizzaro reaction will not result in the formation of carbon-carbon bond.
2PhCHO50%NaOH−−−−−−PhCOONa++PhCH2OH
Reimer - Tiemann reaction coverts phenol to salicylaldehyde.
C6H5OHi)CHCl3+aqNaOH−−−−−−−−−−−ii)H+oHOC6H4CHO
Friedel Crafts acylation introduces acyl group into benzene ring.
C6H6+CH3C|| O Clanhydrous AlCl3−−−−−−−−−ΔC6H5C|| O CH3
Wurtz reaction involves reaction of alkyl halides with Na metal to form alkanes.
2RX+2NaRR+2NaX

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