NEET UG CHEMISTRY MCQ: ALCOHOLS & PHENOLS & ETHERS

1 Hard

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Analyzing +4 | -1

Assertion: Addition of water to but-1-ene in acidic medium yields butan-1-ol.

Reason: Addition the formation of primary carbocation.

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Correct option: D

If both Assertion and Reason are false

Option D (If both Assertion and Reason are false) is correct because the addition of water to but-1-ene in acidic medium yields butan-2-ol, and the reaction proceeds via the formation of a secondary carbocation.

More Questions from ALCOHOLS & PHENOLS & ETHERS

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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}}

Fenton’s reagent is: Assertion:- Isopropyl benzene reacts with

\mathrm{O}_2

and acid gives phenol.

Reason:- Initially isopropyl benzene converts into 2-phenyl propan-2-ol. When an ether is treated with

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

we get: Physical properties of: