Chemical Reactions of Ethers

IMPORTANT

Chemical Reactions of Ethers: Overview

This topic covers concepts, such as, Chemical Properties of Ethers, Reactions of Ethers with HX, Hydrolysis of Epoxide & Mechanism of Electrophilic Aromatic Substitution Reactions of Aromatic Ethers etc.

Important Questions on Chemical Reactions of Ethers

HARD
IMPORTANT

What are the products of the following reactions?

(i) C2H5OC2H5+HCl

(ii)

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EASY
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HBr reacts with   C H 2 =CHOC H 3  under anhydrous conditions at room temperature to give –

MEDIUM
IMPORTANT

CH2=CH-O-CH2-CH3 reacts with one mole of HI, then formed product is

HARD
IMPORTANT

Consider the pairs of ethers A through F as shown below. To the right of each pairs is a description of reaction conditions to be applied to each. One compound of the pair will react more rapidly than the other. Find out the number of reactions in which the first ether more rapidly cleaved than the second ether.

Ether pairs Conditions
A. Question Image Treated with HBr in CH3-CN,40°C
B. Question Image Treated with H2SO4 in CH3CN,40°C
C. Question Image Treated with H2SO4 in CH3CN,40°C
D. Question Image Treated with 5% aqueous H2SO4,25°C
E. Question Image Treated with 5% aqueous H2SO4,25°
F. Question Image Treated with H/H2O

EASY
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Ethers are kept in brown bottles because

EASY
IMPORTANT

The products formed when CH33C-OC2H5 reacts with HI are

MEDIUM
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The reaction of 'tert-butyl methyl ether' with one equivalent of Hl gives

HARD
IMPORTANT

The total number of SN2 (Nucleophilic substitution bimolecular) reactions involved in the following reaction sequence is _____

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MEDIUM
IMPORTANT

Diethyl ether on heating with concentrated HI gives two moles of:

MEDIUM
IMPORTANT

The products obtained when benzyl phenyl ether is heated with HI in the mole ratio 1:1 are
1. Phenol
2. Benzyl alcohol
3. Benzyl iodide
4. Iodobenzene

MEDIUM
IMPORTANT

Among the following ethers, which one will produce methyl alcohol on treatment with hot concentrated HI ?

MEDIUM
IMPORTANT

For next two question please follow the same

On the bases of following information answer the given two questions.Question Image

P will be

HARD
IMPORTANT

Benzyl phenyl ether reacts with hydrogen bromide to give

HARD
IMPORTANT

Which of the following compound is obtained as major product on reaction of Ethoxybenzene with nitrating mixture?

MEDIUM
IMPORTANT

Consider the reaction given below

C6H5-O-CH3+HIheat 

Select the correct possible product of above reaction .

MEDIUM
IMPORTANT

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 For complete reaction with one mole of the above compound, how many moles of HI are required?

EASY
IMPORTANT

Identify the appropriate order of reactivity of hydrogen halides(HX).

ROR+HXRX+ROH

EASY
IMPORTANT

What is the structure of product A formed in the following reaction?

Question Image