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Chapter 1: Haloalkanes and Haloarenes
33 questions
Chapter 2: Alcohols, Phenols and Ethers
38 questions
(i) 1-propoxypropane (ii) methoxybenzene and (iii) benzyl ethyl ether.
(i) Friedel-Crafts reaction alkylation of anisole.
(ii) Nitration of anisole.
(iii) Bromination of anisole in ethanoic acid medium.
(iv) Friedel-Crafts acetylation of anisole.
Chapter 3: Aldehydes, Ketones and Carboxylic Acids
26 questions
Chapter 4: Amines
18 questions
Chapter 5: Biomolecules
25 questions
Chapter 6: Polymers
21 questions
Chapter 7: Chemistry in Everyday Life
27 questions
Solving time: 1 mins
Explain the fact that in aryl alkyl ethers (i) the alkoxy group activates the benzene ring towards electrophilic substitution and (ii) it directs the incoming substituents to ortho and para positions in benzene ring.
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Text solution
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Hence, the alkoxy group activates the benzene ring towards electrophilic substitution.
The increase in electron density at ortho and para positions is more than the increase in electron density at meta position.
Hence, alkoxy group directs the incoming substituents to ortho and para positions in benzene ring.
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Practice more questions from Chemistry Part-II (NCERT)
(i) 1-propoxypropane (ii) methoxybenzene and (iii) benzyl ethyl ether.
(i) Friedel-Crafts reaction alkylation of anisole.
(ii) Nitration of anisole.
(iii) Bromination of anisole in ethanoic acid medium.
(iv) Friedel-Crafts acetylation of anisole.
Practice questions from Chemistry Part-II (NCERT)
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(i) 1-phenylethanol from a suitable alkene.
(ii) cyclohexylmethanol using an alkyl halide by an reaction.
(iii) pentan-1-ol using a suitable alkyl halide.
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(i) Friedel-Crafts reaction alkylation of anisole.
(ii) Nitration of anisole.
(iii) Bromination of anisole in ethanoic acid medium.
(iv) Friedel-Crafts acetylation of anisole.
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(ii) Classify the isomers of alcohols in above question as primary, secondaryand tertiary alcohols.
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| Question Text | Explain the fact that in aryl alkyl ethers (i) the alkoxy group activates the benzene ring towards electrophilic substitution and (ii) it directs the incoming substituents to ortho and para positions in benzene ring. |
| Updated On | Feb 25, 2023 |
| Topic | Alcohols, Phenols and Ethers |
| Subject | Chemistry |
| Class | Class 12 |
| Answer Type | Text solution:1 Video solution: 5 |
| Upvotes | 512 |
| Avg. Video Duration | 11 min |
