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Which of the following has the least val...

Which of the following has the least value of pKa ?

A

A

B

B

C

C

D

D

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The correct Answer is:
D
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AAKASH SERIES-ALCOHOLS, PHENOLS AND ETHERS-PHENOLS (OBJECTIVE EXERCISE - 2A)
  1. Alcohols can be distinguished from ethers by

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  2. Which of the following is the major product formed when phenol is trea...

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  3. Which of the following has the least value of pKa ?

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  4. Y overset(Na)(larr) X overset(conc.H2SO4 . 413 K)(to) (C2H5)2O ...

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  5. Br(2) dissolved in CS(2) reacts with phenol at 273K to give …............

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  6. The descending order of kb values of the following compounds is

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  7. Phenol overset( conc. H2SO4 )to A overset( Conc .HNO3) to B Here A...

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  8. Phenol overset( NaOH) to A underset((2)H^(+)) overset((i)CO2) to B ove...

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  9. One mole of Phenols is warmed with sodium metal. If we assume 100% yie...

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  10. Benzene overset( "oleum") to A overset( NaoH) to B underset( -NaCl)ove...

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  11. If we use carbon tetrachloride in Reimer Tiemann reaction in place of ...

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  12. From amongst the following alcohols, the one that would react fastest ...

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  13. The electrophile involved in the above reaction is

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  14. The reaction C6 H5 OH underset( "Pyridine") overset( CH3COCl) to C6H6...

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  15. Ortho -Nitrophenol is less soluble in water than p-and m- Nitrophenol ...

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  16. When benzene sulfonic acid and p-nitrophenol are treated with NaHCO(3)...

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  17. Which of the following is the most stable structure of phenol

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  18. Match the following

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  19. The product formed in the following reaction is

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  20. Phenol can be distinguished from ethanol by the reagent

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