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Test: MCQs (One or More Correct Option): Alcohols, Phenols & Ethers | JEE Advanced


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7 Questions MCQ Test Chemistry 35 Years JEE Main & Advanced Past year Papers | Test: MCQs (One or More Correct Option): Alcohols, Phenols & Ethers | JEE Advanced

Test: MCQs (One or More Correct Option): Alcohols, Phenols & Ethers | JEE Advanced for JEE 2023 is part of Chemistry 35 Years JEE Main & Advanced Past year Papers preparation. The Test: MCQs (One or More Correct Option): Alcohols, Phenols & Ethers | JEE Advanced questions and answers have been prepared according to the JEE exam syllabus.The Test: MCQs (One or More Correct Option): Alcohols, Phenols & Ethers | JEE Advanced MCQs are made for JEE 2023 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: MCQs (One or More Correct Option): Alcohols, Phenols & Ethers | JEE Advanced below.
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Test: MCQs (One or More Correct Option): Alcohols, Phenols & Ethers | JEE Advanced - Question 1

The reaction of    with HBr gives (1998 - 2 Marks)

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The mechanism of this reaction is represented as follows.

   

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Test: MCQs (One or More Correct Option): Alcohols, Phenols & Ethers | JEE Advanced - Question 2

The ether   when treated with HI produces (1999 - 3 Marks)

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TIPS/Formulae :
The aromatic ethers are cleaved to give phenol as one of the products.

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Test: MCQs (One or More Correct Option): Alcohols, Phenols & Ethers | JEE Advanced - Question 3

In the reaction   the intermediate (s) is (are)               (2010)

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Product of reaction of phenol with NaOH/Br2 is sodium salt of 2,4,6-tribromophenol. Hence, species (I), (II), (III) are formed as intermediate.

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Test: MCQs (One or More Correct Option): Alcohols, Phenols & Ethers | JEE Advanced - Question 4

The major product(s) of the following reaction is(are)             (JEE Adv. 2013)

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Test: MCQs (One or More Correct Option): Alcohols, Phenols & Ethers | JEE Advanced - Question 5

The correct combination of names for isomeric alcohols with molecular formula C4H10O is/are (JEE Adv. 2014)

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Isomeric alcohols with molecular formula C4H10O

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Test: MCQs (One or More Correct Option): Alcohols, Phenols & Ethers | JEE Advanced - Question 6

The reactivity of compound Z with different halogens under appropriate conditions is given below: (JEE Adv. 2014)

The observed pattern of electrophilic substitution can be explained by

Detailed Solution for Test: MCQs (One or More Correct Option): Alcohols, Phenols & Ethers | JEE Advanced - Question 6

—OH group is strongly activating and o, p-directing due to +M effect. Thus positions a, b and c are the sites for attack by an electrophile. However, sites b and c are not preferred by bulky electrophile due to steric crowding. Thus more bulky electrophile (like I2) can attack only site a, which is least sterically hindered, a bit smaller electrophile (Br2) can attack at sites a and also b (relatively less sterically hindered site) and the smallest electrophile (Cl2) can attack all the three sites, viz., a, b and c (most sterically hindered site).

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Test: MCQs (One or More Correct Option): Alcohols, Phenols & Ethers | JEE Advanced - Question 7

The major product U in the following reactions is

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