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In the reaction CH(3)CHO + CH(2)(COOH)(2...

In the reaction `CH_(3)CHO + CH_(2)(COOH)_(2) overset("Pyridine")underset("Heat")rarrA`
The compound A is :

A

`CH_(3)COOH`

B

`C_(2)H_(5)COOH`

C

`CH_(3)CH = CHCOOH`

D

`COOHCH = CHCOOH`.

Text Solution

Verified by Experts

The correct Answer is:
C
`CH_(3)CH=O+H_(2)C(COOH)_(2) overset(-H_(2)O)rarr`
`CH_(3)CH=C(COOH)_(2)overset("Heat")underset(-CO_(2))rarrCH_(3)CH=CHCOOH`
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DINESH PUBLICATION-ALDEHYDES AND KETONES -Multiple Choice
  1. The most stable among the following is :

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  2. Oppenaur oxidation is the reverse process of :

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  3. In the reaction CH(3)CHO + CH(2)(COOH)(2) overset("Pyridine")underset(...

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  4. Benzaldehyde reacts with alcoholic KCN to give :

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  5. Which of the following will undergo aldol condensation?

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  6. Which type of isomerism is shown by pentaone?

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  7. Paraldehyde is formeed by the polymerisation of:

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

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

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

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

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

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

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

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

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  16. Toluene reacts with chromyl chloride to form :

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

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

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

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  20. Nucleophilic addition reaction will be most favoured in

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