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Give reasons for the following: The bo...

Give reasons for the following:
The bond length of C =O bond in carboxylic acids is slightly larger than that in aldehydes and ketones. Why?

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The carbon-oxygen bond in phenol is slightly stronger than that in methanol. Why ?

In which of the following C=C bond length is minimum?

Give reasons for the following : (i) Phenol is more acidic than methanol. (ii) The C-O-H bond angle in alcohols is slightly less than the tetrahedral angle (109^(@)28'). (iii) (CH_(3))_(3) C-O-CH_(3)" on reaction with HI gives "(CH_(3))_(3)C-I and CH_(3)-OH" as the main products and not "(CH_(3))_(3) C-OH and CH_(3)-I.

Explain why carboxylic acids are stronger acids than phenols.

Give reasons for the following: The bond formed between the oxygen atom in water and the hydrogen ion is a coordinate bond,

The bond length of C-C bond is greater than that of C=C bond.

The acid having O - O bond is

The bond length of C-O bond in carbon monoxide is 1.128A The C-O bond in [fe(CO)_(5)] is .

The decreasing order of bond length of C=C bond in the following compounds is :

ICSE-ALDEHYDES, KETONES AND CARBOXYLIC ACIDS-EXERCISE (PART-II DESCRIPTIVE QUESTIONS) ( SHORT QUESTIONS)
  1. Give one chemical test to distinguish between the following pairs of c...

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  2. Give at least two tests to distinguish between phenol an benzoic acid.

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  3. Give reasons for the following: The bond length of C =O bond in carb...

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  4. Complete the following equations: C(6)H(5)COOH+Na(2)CO(3)(aq)to

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  5. Complete the following equations: C(6)H(5)COOH+SOCl(2)to

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  6. Complete the following equations: H(3)CObarO+H(2)Ooverset("electroly...

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  7. Compare the acid strengths of the following: Formic acid

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  8. Compare the acid strengths of the following: Acetic acid

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  9. Compare the acid strengths of the following: Benzoic acid.

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  10. Giving an appropriate example, explain how the presence of a substitue...

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  11. How can ethanoic acid converted into propanoic acid and vice versa?

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  12. How will you explain that formic acid is stronger than acetic acid?

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  13. Chloroacetic acid has lower pK(a) value than acetic acid.

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  14. Carboxylic acids have higher boiling points than alcohols Why?

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  15. Electrophilic substitution in benzoic acid takes place at meta positio...

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  16. Write short notes on : Decarboxylation of acids

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  17. Explain why carboxylic acids are stronger acids than phenols.

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  18. Give a brief account of HVZ reaction.

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  19. How will you get acetone from acetic acid?

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  20. Carboxylic acids have higher boiling points than alcohols Why?

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