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Arrange the following compounds in the d...

Arrange the following compounds in the descending order of their `pK_a` values
a) 2,4,6-trinitrophenol b) 3,4-dimitrophenol c) m-nitrophenol d) p-cresol e) phenol

A

`a gt b gt c gt e gt d `

B

`d gt e gt c gt b gt a `

C

`a gt b gt c gt d gt e`

D

`e gt d gt c gt b gt a `

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-ALCOHOLS, PHENOLS AND ETHERS-PHENOLS (OBJECTIVE EXERCISE - 1)
  1. Which of the following reactions will not yield phenol ?

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  2. Benzoquinone, is prepared by reaction of phenol with

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  3. The acidic character of phenol is due to

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  4. The correct order of relative acidic strength of phenol, ethyl alcohol...

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  5. Which of the following compounds will react with sodium hydroxide?

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  6. Which of the following compounds when dissolved in water, gives a solu...

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  7. Regarding phenol the correct statements are A) It reacts with B2//...

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  8. The major product obtained by the reaction of phenol and carbondioxide...

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  9. The correct order of acidity of the following compounds is

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  10. The structural formulae of P and Q are.

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  11. Write the electrophile and intermediate in Reimer-Tiemann reaction.

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  12. The best method to separate the mixture of ortho and para nitrophenol ...

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  13. The increasing order of boiling points of below mentioned alcohols is ...

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  14. Phenols are more acidic than alcohols due to (a) In phenols,- OH i...

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  15. Arrange the following compounds in the descending order of their pKa v...

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  16. When phenol reacts with which one of the following reagents, a conjuga...

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  17. Phenol is heated with a mixture of KBr and KBrO(3). The major product ...

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  19. Which of the following order is true regarding the acidic nature of ph...

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  20. Identify the reaction conditions for the following reactions

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