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Assertion (A) o-nitrophenol is less soluble in water than the
Chemistry Exemplar
Chemistry Exemplar

Class 12

NCERT Exemplar

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NCERT
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Chemistry
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Chapter 1: The Solid State

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Chapter 2: Solutions

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Chapter 3: Electrochemistry

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Chapter 4: Chemical Kinetics

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Chapter 5: Surface Chemistry

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Chapter 6: General Principles and Processes of Isolation of Elements

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Chapter 7: The p-Block Elements

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Chapter 8: The d-and f-Block Elements

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Chapter 9: Coordination Compounds

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Chapter 10: Haloalkanes and Haloarenes

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11

Chapter 11: Alcohols, Phenols and Ethers

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Q1
Assertion (A): Like bromination of benzene, bromination of phenol is also carried out in the presence of Lewis acid.
Reason (R): Lewis acid polarises the bromine molecule.
Q2
Assertion (A) o-nitrophenol is less soluble in water than the and p-isomers.
Reason (R) and p-nitrophenols exist as associated molecules.
Q3
Assertion (A): Ethanol is a weaker acid than phenol.
Reason (R): Sodium ethoxide may be prepared by the reaction of ethanol with aqueous .
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12

Chapter 12: Aldehydes, Ketones and Carboxylic Acids

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13

Chapter 13: Amines

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14

Chapter 14: Biomolecules

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Chapter 15: Polymers

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Chapter 16: Chemistry in Everyday Life

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Question
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Solving time: 2 mins

Assertion (A) o-nitrophenol is less soluble in water than the and p-isomers.
Reason (R) and p-nitrophenols exist as associated molecules.

A
Assertion and reason both are correct and reason is correct explanation of assertion.

B
Assertion and reason both are wrong statements.

C
Assertion is correct statement but reason is wrong statement.

D
Assertion is wrong statement but reason is correct statement.

E
Both assertion and reason are correct statements but reason is not correct explanation of assertion.

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Updated on: Feb 18, 2023

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Assertion (A) o-nitrophenol is less soluble in water than the and p-isomers.
Reason (R) and p-nitrophenols exist as associated molecules.
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Text SolutionText solutionverified iconVerified

Both assertion and reason are correct statements but reason is not correct explanation of assertion.
Correct Explanation Due to the presence of intramolecular hydrogen bonding, o-nitrophenol does not form hydrogen bonds with but and -nitrophenol form hydrogen bonds with water.
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Assertion (A): Like bromination of benzene, bromination of phenol is also carried out in the presence of Lewis acid.
Reason (R): Lewis acid polarises the bromine molecule.
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Assertion (A) o-nitrophenol is less soluble in water than the and p-isomers.
Reason (R) and p-nitrophenols exist as associated molecules.
Q3
Assertion (A): Ethanol is a weaker acid than phenol.
Reason (R): Sodium ethoxide may be prepared by the reaction of ethanol with aqueous .
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Question Text
Assertion (A) o-nitrophenol is less soluble in water than the and p-isomers.
Reason (R) and p-nitrophenols exist as associated molecules.
Updated OnFeb 18, 2023
TopicAlcohols, Phenols and Ethers
SubjectChemistry
ClassClass 12
Answer TypeText solution:1 Video solution: 1
Upvotes223
Avg. Video Duration4 min