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Stephen's redcution is used to prepare a...

Stephen's redcution is used to prepare aldehyde from :

A

alcohol

B

alkyl cyanides

C

alkanones

D

acid chlorides

Text Solution

Verified by Experts

The correct Answer is:
B
In Stephen's reduction, aldehyde can be prepred from alkyl cyanides e.g.
`CH_(3)-C-=N+2[H] overset(SnCl_(2)) underset("Ether")tounderset("Acetaldehyde") underset(CH_(3)CHO+NH_(4)Cl)underset(darr H_(2)O""//H^(+))(CH_(3)-CH=NH*CHl)`
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-ALDEHYDES, KETONES AND CARBOXYLIC ACIDS-MHT CET CORNER
  1. Stephen's redcution is used to prepare aldehyde from :

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  2. Which of the following carboxylic acids is a tricarboxylic acid?

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  3. R-CNunderset(HCl)overset(SnCl(2))(to)" "overset(H(3)O^(o+))(to)R-C...

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  4. A mixture of benzaldehyde and formaldehyde on heating with aqueous NaO...

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  5. Which of the following compounds is most acidic in nature ?

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  6. Write the IUPAC name of following cmpound.

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  7. Identify to compound D in above mentioned series of reaction.

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  8. Which of the following reactions does not produce benzaldehyde as end ...

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  9. Structure of the compound whose IUPAC name is 3-ethyl-2-hydroxy-4-meth...

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  10. Which of the following acids does not contain -COOH group ?

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  11. Aldol condensation product of acetone on dehydration gives

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  12. In the following reaction sequence, CH3CHO underset(Ca(OH)2)overset(Cl...

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  13. Among the following, the formula of saturated fatty acids is

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  14. Ethyl methyl ketone is obtained by heating calcium salts of

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  15. CH(3)COOH when reacts with C(2)H(2)OH gives a product. The same produc...

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  16. The IUPAC name of crotonaldehyde is

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

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  18. Which of the acids cannot be prepared by Grignard reagent ?

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  19. Vinegar contains :

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  20. Vinegar is an aqueous solution of

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  21. The aldol condensationof acetaldehyde results in the formation of :

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