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Among the following acids, which has the...

Among the following acids, which has the lowest `pK_(a)` value?

A

`CH_(3)COOH`

B

`HCOOH`

C

`(CH_3)_(2)CHCOOH`

D

`CH_(3)-CH_(2)-OH`.

Text Solution

Verified by Experts

The correct Answer is:
B
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CBSE COMPLEMENTARY MATERIAL-ALDEHYDES,KETONES AND CARBOXYLIC ACIDS-LONG ANSWER TYPE QUESTIONS (5 MARKS)
  1. Among the following acids, which has the lowest pK(a) value?

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  2. Which of the following compounds would undergo Aldol condensation, whi...

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  3. An organic compound 'A' (C3H6O) is resistant to oxidation but forms co...

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  4. Write the products of the following reactions : (i) (ii) 2C(6)H(5)C...

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  5. Give simple tests to distinguish between the following pair of compoun...

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  6. (i) How will you prepare (a) acetic anhydride and (b) acetyl chloride ...

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  7. (ii) Why is the boiling point of acid anhydride higher than the acid f...

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  8. Complete the following reactions and write main products : (i) CH(3)CO...

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  9. Complete the following reactions and write main products : (ii) CH(3)C...

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  10. Complete the following reactions and write main products : (iii) CH(3)...

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  11. Complete the following reactions and write main products : (iv) CH(3)C...

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  12. Complete the following reactions and write main products : (v)CH(3)COO...

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  13. Complete the following reactions and write main products : (vi) HCHO+N...

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  14. Complete the following reactions and write main products : (vii) CH(3)...

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  15. Complete the following reactions and write main products : (viii) .

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  16. Complete the following reactions and write main products : (ix) CH(3)C...

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  17. Complete the following reactions and write main products : (x) C(6)H(...

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  18. Give reasons for the following : (i) C(6)H(5)COOH is weaker than formi...

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  19. Give reasons for the following : (ii) HCOOH and CH(3)COOH differentiat...

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  20. Give reasons for the following : (iii) R-COOH do not give characterist...

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  21. Why is carboxylic acid a stronger acid than phenol ?

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