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Among the following acids which has the ...

Among the following acids which has the lowest `pK_a` value

A

`CH_3COOH`

B

`HCOOH`

C

`(CH_2)_2 CH-COOH`

D

`CH_3 CH_2 COOH`

Text Solution

Verified by Experts

The correct Answer is:
B
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AAKASH SERIES-CARBOXYLIC ACIDS -LEVEL-I EXERCISE-II (Acidic Nature)
  1. In the HCOO^- the two carbon-oxygen bonds are found to be of equal len...

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  2. Among the following acids which has the lowest pKa value

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  3. Which of the following has highest tendency to ionise in aqueous solut...

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  4. Which acid has lowest value of pKa ?

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  5. Which of the following anion is a strongest base ?

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  6. Which of the followign statements are correct ?

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  7. Among acetic acid , phenol and n-hexanol, which of the compounds will ...

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  8. CH3 COOH is less acidic than HCOOH. It is due to which effect

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  9. What is the main reason for the fact that carboxylic acids can undergo...

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  10. The reagent that can be used to distinguish between phenol and ethanoi...

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  11. A liquid was mixed with ethanol and a drop of concentrated H2 SO4 was ...

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  12. Which of the following is not useful to convert CH3 COOH into CH3 COCI

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  13. Which of the following compounds liberate CO2 on reaction with acetic ...

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  14. Acetic acid is converted into acetic anhydride by heating with

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  15. . Which sequence of reaction is 'X' .

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  16. Which of the following is the correct order of acetic strength of Benz...

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  17. Which sequence of reactions will be useful for above conversion.

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  18. Which of the following compounds will undergo decarboxylation on heati...

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