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Which one of the following reagents is u...

Which one of the following reagents is used to reduce an aldehyde to primary alcohols ?

A

`N_(2)H_(4)//KOH`

B

`Zn//Hg` and conc. `HCI`

C

`LiAIH_(4)`

D

Alkaline `CuSO_(4)` containing Rochelle salt

Text Solution

Verified by Experts

The correct Answer is:
C
`C = O overset(NH_(2)NH_(2)//KOH)rarr CH_(2)`
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ERRORLESS -ALDEHYDES AND KETONES -Ordinary Thinking (Objective Questions) Properties
  1. Aldehydes that do not undergo aldol condensation are (1) propanal (...

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  2. The compound that neither forms semicarbazone nor oxime is

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  3. Which one of the following reagents is used to reduce an aldehyde to p...

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  4. Magenta is

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  5. Formalin is an aqueous solution of

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  6. Aldol condensation involving CH(3)CHO + CH(3)CHO gives the product

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  7. Cannizzaro reaction is given by

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  8. A compound has a vapour density of 29. on warming an aqueous solution ...

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  9. Haloform test is given by the following substance

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  10. The synthesis of crotonaldehyde from acetaldehyde is an example of ......

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  11. When NH(2)OH reacts with an usymmetrical ketone then numver of product...

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  12. The most suitable reagent A, for the reaction is (are)

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  13. Benzaldehyde on reaction with acetophenone in the presence of sodium ...

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  14. Arrange the following compound in an increasing order of their reactiv...

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  15. The aldol condensation reaction is given by

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  16. Reduction of acetone in the presence of sodium borohydride gives

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  17. Hexamethylene tetramine is used as

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  18. Correct order of reactivity of CH(3) CHO, C(2) H(5) COCH(3) and CH(3) ...

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  19. When acetaldehyde reacts with PCl(5) the resulting compound is

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  20. Reduction of an aldehyde produces

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