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To distinguish between formaldehyde and ...

To distinguish between formaldehyde and acetaldehyde, we require

A

Tollens reagent

B

Fehling's solution

C

Schiff's reagent

D

Caustic soda solution

Text Solution

Verified by Experts

The correct Answer is:
D

`2 HCHO overset (NaOH) underset ("Cone") to CH_(3) OH + HCOONa`
It is a Cannizaro's reaction
`2CH_(3)CHO overset(NaOH)underset(dil) to CH_(3)-overset(OH)overset(|)(CH)-CH_(2)-CHO`
It is aldol condesation reaction.
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A2Z-ALDEHYDES, KETONES AND CARBOXYLIC ACID-Oxidation And Reduction Of Carbonyl Compounds
  1. The product of acid can difference of P and Q can be distinguished by

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  2. The following reagent converts C(6) H(5) CHCHO to C(6) H(3) CHOHCOONa

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  3. To distinguish between formaldehyde and acetaldehyde, we require

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  4. Which reagent can be used to saparate a mixture of ethanol and butanon...

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  5. Regent that can difference 2-propanol from acetone is

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  6. Which regent gives below can differentiate propanal from propanone?

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  7. Which is the most suitable regent for the reaction?

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  8. How will you convert butan -2-one to propanoic acid?

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  9. The reagent with which both acetaldehyde and acetonereacteasily is

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  10. Which one of the following is reduced with zine and hydrochloric acid ...

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  11. When acetaldehyde is heated with Fehling's solution it gives a precipi...

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  12. In the following reaction sequence, the correct structures of (E ), (...

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  13. Which of the following will not give the iodoform test?

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  14. Haloform test is given by the following substance

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  15. Which of the following does not give yellow precipitate with NaOH + KI...

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  16. The alkaline CuSO(4) contanining sodium potassiumtartrate does not rea...

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  17. CH3 CH=CHCHO is oxidised to CH3 CH=CHCOOH using :

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  18. Which of the following does not turn Schiff's reagent to pink?

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  19. The final product formed when acetaldehude is reduced with sodium and ...

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  20. The compound obtained by the reduction of propionadehyde by amalgamate...

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