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Aromatic aldehydes in the presence of CN...

Aromatic aldehydes in the presence of `CN^(-)` ion give acyloins. The reaction is known as :

A

Perkin reaction

B

Benzoin condensation

C

Clasien condensation

D

Cannizzaro's reaction

Text Solution

Verified by Experts

The correct Answer is:
B
Benzoin `[C_(6)H_(5)CH(OH)COC_(6)H_(5)]` is formed as the product.
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DINESH PUBLICATION-ALDEHYDES AND KETONES -Multiple Choice
  1. Which type of isomerism is shown by pentaone?

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  2. Paraldehyde is formeed by the polymerisation of:

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  3. Aromatic aldehydes in the presence of CN^(-) ion give acyloins. The re...

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  4. Which of the following methods is used to convert ketone into hydrocar...

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  5. Oxidation of actaldehyde with SeO(2) form :

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  6. During reduction of carbonyl compounds by H(2)N NH(2) and KOH, the fir...

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  7. Which will not give formaldehyde on heating or upon distillation ?

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  8. When ethanal is heated with Fehling's solution, it gives a precipitate...

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  9. Acetone on heating with conc. H(2)SO(4) gives :

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  10. Which alkene on ozonolysis gives CH(3)CH(2)CHO and CH(3)underset(O)und...

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  11. Toluene reacts with chromyl chloride to form :

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  12. The reagent used for the separation of acetaldehyde from acetophenone ...

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  13. Which can be oxidized to the corresponding carbonyl compound?

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  14. The product of the following reaction are CH(3)C=C.CH(2)CH(3)=overse...

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  15. Nucleophilic addition reaction will be most favoured in

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  16. A carbonyl compound reacts with hydrogen cyanide to form cyanohydrin w...

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  17. Which of the compounds with molecular formula C(5)H(10)yields acetone ...

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  18. Which of the following on treatment with aqueus sodium hydroxide will ...

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  19. On heating calcium acetate and calcium formate, the product formed is ...

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  20. The compound that neither forms semicarbazone nor oxime is

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