NEET UG CHEMISTRY MCQ: ALCOHOLS & PHENOLS & ETHERS

1 Medium

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Analyzing +4 | -1

The correct order of acid strength of the following compounds is

V. Phenol

VI.

p

-cresol

VII.

m

-nitrophenol

VIII.

p

-nitrophenol

View answer and explanation

Correct option: B

IV > III > I > II

Option B (IV > III > I > II) is correct because electron-withdrawing groups increase acidity, and nitro groups are stronger electron-withdrawing groups than methyl groups.

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Ethers are made free from peroxide linkage on distilling impure sample with: The product 'B' in the following reaction is

{\text{C}}{{\text{H}}_3}{\text{C}}{{\text{H}}_2}{\text{OH}}\xrightarrow{{{\text{PCC}}}}{\text{A}}\xrightarrow[{\left( {{\text{ii}}} \right){\text{ }}{{\text{H}}_2}{\text{O/}}{{\text{H}}^ + }}]{{\left( {\text{i}} \right){\text{ HCN}}}}{\text{B}}

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\mathrm{O}_2

and acid gives phenol.

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{\mathrm{P}_2}{\mathrm{S}_5}

we get: Physical properties of: