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In this reaction C(6)H(5)CH(3)underset...

In this reaction
`C_(6)H_(5)CH_(3)underset(CrO_(3))overset((CH_(3)CO)_(2)O)rarr M underset("hydrolysis")overset("alkaline")rarr C_(6)H_(5)CHO` acetic anhydride is used

A

As catalyst

B

As an oxidising agent

C

To from a non -oxidizable derivative of benzaldehyde

D

To help the reaction to proceed smoothly

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-APPENDICES -REVISION EXERCISE -ALDEHYDES AND KETONES
  1. Benzaldehyde is obtained from toluene by

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  2. C(6)H(6) +CO + HCl overset("Anhyd."AlCl(3))rarr X + HCl Compound X is

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  3. In this reaction C(6)H(5)CH(3)underset(CrO(3))overset((CH(3)CO)(2)O)...

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  4. Benzaldehyde undergoes oxidation and reduction in the presence of

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  5. Reaction of C6H5 CHO with CH3NH2 gives

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  6. Schiff's bases are formed when aniline reacts with

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  7. CH(3)CHO and C(6)H(5)CHO can be distinguished by

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  8. Which does not react with Fehling's solution ?

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  9. A compound reduces Tollen's reagent but does not reduce Fehling's or B...

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  10. Benzyl alcohol is obtained from benzaldehyde by

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  11. 1-Phenylethanol can be prepared by reaction of benzaldehyde with

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  12. A substance A containing three carbon atoms gives white crystalline pr...

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  13. A certain compound Y has a formula C(3)H(6)O. It combines with hydroxy...

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  14. Which of the following compound will give yellow precipitate with I(2)...

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  15. Vinyl alcohol and ethanal are

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  16. C(3)H(8)O underset(K(2)Cr(2)O(7)//H^(+))overset((O))rarr C(3)H(6)O ove...

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  17. Which among the following gives positive iodoform test as well as posi...

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  18. The number of isomeric ketones with formula C(6)H(12)O is

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  19. Cannizzaro reaction involves

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  20. Which of the following aldehyde contains alpha-C atom but does not hav...

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