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Which of the following compound will hav...

Which of the following compound will have the smallest `pK_(a)` value ?

A

Benzoic acid

B

Formic acid

C

Acetic acid

D

Phenyl acetic acid

Text Solution

Verified by Experts

The correct Answer is:
B
(b) Formic acid will have the smallest `pK_(a)` value and is the storngest acid.
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DINESH PUBLICATION-CARBOXYLIC ACIDS -MULTIPLE CHOICE QUESTION BANK (MCQB)
  1. The correct order of increasing acidity of the followins is :

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  2. The final product in the given reaction is

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  3. Which of the following compound will have the smallest pK(a) value ?

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  4. Arrange the following acids in order of their increasing acidity

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  5. When propionic acid is treated with aqueous sodium bicarbonate, CO(2) ...

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  6. The strongest acid among the following compounds is :

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  7. Which of the following can distringuish phenol and benzoic acid ?

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  8. An orgainc compound A upon reacting with NH(3) gives B On heating B gi...

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  9. In the reaction CH(3)COOHoverset(LiAlH(4))rarrAoverset(PCl(4))rarrBo...

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  10. Perdict the product (C) of the following sequence of reactions : CH(...

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  11. Which order is improper for acidic strength ?

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  12. The correct increasing order of the acid strength fo acids, butyric ac...

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  13. The reaction sequence given below gives products R. The structure...

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  14. An organic compound [A] is C(5)H(8)O(3).On heating with soda lime, it ...

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  15. An organic compound [A] is C(5)H(8)O(3).On heating with soda lime, it ...

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  16. An organic compound [A] is C(5)H(8)O(3).On heating with soda lime, it ...

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  17. A compound [A] has the formula C(4)H(8)O(2). When reacted with a Grign...

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  18. A compound [A] has the formula C(4)H(8)O(2). When reacted with a Grign...

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  19. A compound [A] has the formula C(4)H(8)O(2). When reacted with a Grign...

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  20. Carboxylic acids having at least one alpha-hydrogen react with Cl(2)" ...

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