Question:
Which of the following reactions will not result in the formation of carbon-carbon bonds ?
Which of the following reactions will not result in the formation of carbon-carbon bonds ?
Updated On: Jun 18, 2022
- Reimer-Tiemann reaction
- Cannizzaro reaction
- Wurtz reaction
- Friedel-Crafts acylation
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The Correct Option is B
Solution and Explanation
(a) Reimer-Tiemann reaction :
(b) Cannizzaro reaction :
$\underset{\text{Formaladehyde}}{ {HCHO}}$$ {->[50\,NaOH]}$$\underset{\text{Sodium formate}}{ {HCOO^{?}Na^{?}}}$$ {+}$$\underset{\text{Methanol}}{ {CH3OH}}$
(c) Wurtz reaction :
$ {H3C?I + 2Na + I?CH3 -> CH3?CH3 + 2NaI}$
Methyl iodide $\quad$ Ethane
(d) Friedel-Crafts acylation :
From the above examples it is evident that C?C bond formation does not takes place in Cannizzaro reaction.
(b) Cannizzaro reaction :
$\underset{\text{Formaladehyde}}{ {HCHO}}$$ {->[50\,NaOH]}$$\underset{\text{Sodium formate}}{ {HCOO^{?}Na^{?}}}$$ {+}$$\underset{\text{Methanol}}{ {CH3OH}}$
(c) Wurtz reaction :
$ {H3C?I + 2Na + I?CH3 -> CH3?CH3 + 2NaI}$
Methyl iodide $\quad$ Ethane
(d) Friedel-Crafts acylation :
From the above examples it is evident that C?C bond formation does not takes place in Cannizzaro reaction.
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Concepts Used:
Alcohols, Phenols, and Ethers
Alcohol is formed when a saturated carbon atom bonds to a hydroxyl (-OH) group. It is an organic compound that contains a hydroxyl functional group attached to a carbon atom.
Phenol is formed when the -OH group replaces the hydrogen atom in benzene. It is an organic compound in which a hydroxyl group directly attaches to an aromatic hydrocarbon.
Ether is formed when oxygen atom bonds to two alkyl or aryl groups. It is an organic compound that has an oxygen atom that is connected to two aryl and alkyl groups.
Read More: Alcohol, Phenol, and Ethers