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Out of the four pK(a) values 3.75, 9.88,...

Out of the four `pK_(a)` values 3.75, 9.88, 15.54 and 19.30 , the highest `pK_(a)` value corresponds to

A

acetone

B

formic acid

C

phenol

D

methanol

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The correct Answer is:
A
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RESONANCE-GENERAL ORGANIC CHEMISTRY II-Part-II: NSEC (Stage-I)
  1. Arrange the following in the order of increasing stability: PhC^(+)H...

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  2. Which of the following compounds is the most acidic ?

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  3. Out of the four pK(a) values 3.75, 9.88, 15.54 and 19.30 , the highest...

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  4. The correct order of acidic character in the above compounds is

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  5. The weakest base among the following is

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  6. underset(" "(i))(CH(3)COOH)" "underset(" "(ii))(HCOOH)" ...

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  7. The proper tautomeric structure for 2-aminopyridine (X) is

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  8. The correct order of acidity for the following compound is

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  9. Identify the group in which the order of basicity is not correct ?

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  10. Choose the most appropiate pair of nitrogens that gets protonated in t...

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  11. As the base changes from RNH(2) to R(2)NH(1) to R(3)N the basicity

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  12. The most acidic of the following substance is

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  13. The observed order of carbocation stability is

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  14. Indicate the correct of acidity (first ionization) in the following di...

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  15. The carbocation (CH(3))(3)C^(+) is stabilized primarily by

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  16. The correct order of acidity of the C-H proton is-

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  17. Salicylic acid is a stronger acid than p-hydroxybenzoic acid due to

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  18. Which one of the following compounds can be deprotonated by OH fastest...

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  19. The most acidic among the following compound is :

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  20. Keto and enol forms of a compound are related to each other as

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