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Carboxylic acids contain carbonyl group ...

Carboxylic acids contain carbonyl group but do not show the nucleophilic addition reactions like aldehydes or ketones. Why?

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Carboxylic acid contain carbonyl group but do not show nucleophilic addition reaction like aldehyde and ketone. Due to resonance as shown below the partial positive charge on carbonyl carbon atom is reduced.
`-overset(O)overset(||)C-O-Hharr-overset(O^(-))overset(|)C=overset(+)O-H`
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Question based on Nucleophilic addition reactions of aldehydes and ketones

Question based on Nucleophilic addition reactions of aldehydes and ketones-Part 1

Assertion : Carboxylic acids contain a carbonyl group but donot give the characteristic reactions of the group. Reason : The electrophilicity of the carbon atom is more in carboxylic acids than in aldehydes and ketones.

Ketones give nucleophilic addition reactions more readily than aldehydes.

NCERT EXEMPLAR-ALDEHYDE, KETONES AND CARBOXYLIC ACIDS-Aldehyde, Ketones And Carboxylic Acids
  1. Arrange the following in decreasing order of their acidic strength. Gi...

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  2. Alkenes and carbonyl compounds both contain a pi bond but alkenes sh...

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  3. Carboxylic acids contain carbonyl group but do not show the nucleophil...

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  4. Identify the compounds A, B and C in the following reaction : CH(3)-...

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  5. Why are carboxylic acids more acidic than alcohols or phenols although...

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  6. Complete the following reaction sequence : CH(3)-overset(O)overset(|...

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  7. Ethylbenzene is generally prepared by acetylation of benzene followed ...

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  8. Can Gattermann-Koch reaction be considered similar to Friedel Craft's ...

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  9. Match the common names given in Column I with the IUPAC names given in...

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  10. Match the acids given in Column I with their correct IUPAC names given...

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  11. Match the reactions given in Column I with the suitable reagents given...

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  12. Match the example given in Column I with the name of the reaction in C...

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  13. Assertion (A) Formaldehyde is a planar molecule. Reason (R) It conta...

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  14. Assertion (A) compound containing -CHO group are easily oxidised to co...

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  15. Assertion (A) The alpha-hydrogen atom in carbonyl compounds is less ac...

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  16. Assertion : Aromatic aldehydes and formaldehyde undergo Cannizzaro rea...

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  17. Assertion (A) Aldehydes and ketones, both react with Tollen's reagent ...

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  18. An alkene 'A' (molecular formula C(5)H(10)) on ozonolysis gives a mixt...

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  19. An aromatic compound 'A' (Molecular formula C(8)H(8)O)) gives positive...

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  20. Write down functional isomers of a carbonlyl compound with molecular f...

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