Preparation of Ethers

IMPORTANT

Preparation of Ethers: Overview

In this topic, we will learn how to prepare ethers in the laboratory. It discusses their formation by dehydration of alcohols, Williamson synthesis and other methods. It also includes the mechanism of action of reagents.

Important Questions on Preparation of Ethers

MEDIUM
IMPORTANT

α-haloethers on reacting with a _____ will form the higher ethers.

MEDIUM
IMPORTANT

Identify the reagent for the given reaction:

CH3-O-CH2Cl+?             CH3-O-CH2CH3+MgClI

MEDIUM
IMPORTANT

Write the reaction for the preparation of methoxyethane from Grignard reagent.

MEDIUM
IMPORTANT

Write an example for the preparation of higher ethers from α-haloethers.

EASY
IMPORTANT

Identify the ether (B) formed from the below reaction:

2C2H5Cl+Ag2O              B+2AgCl

MEDIUM
IMPORTANT

Identify the reagent used for the below reaction:

2C2H5Cl+A              C2H5-O-C2H5+2AgCl

MEDIUM
IMPORTANT

Write the reaction for the preparation of diethyl ether using dry silver oxide.

MEDIUM
IMPORTANT

Methoxy ethane can be prepared by Williamson's ether synthesis. When Sodium _____ reacts with Methyl iodide in the presence of dry ether, we get our desired product.

EASY
IMPORTANT

The major product of the following reactions is

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HARD
IMPORTANT

How will you effect following two step conversions ethylene into ethyl methyl ether?

HARD
IMPORTANT

How is diethyl ether prepared by continuous etherification process? Why is the process so called?

HARD
IMPORTANT

Write the chemical equation for Williamson synthesis of 2-Ethoxy-2-methylpentane starting from Ethanol and 2-Methylpentan-2-ol.

HARD
IMPORTANT

What are ethers? How are ethers classified?

HARD
IMPORTANT

Write chemical equation for the preparation of following ether as major product by Williamson synthesis.

1-Methoxy-4-nitrobenzene.

HARD
IMPORTANT

Write chemical equation for the preparation of following ether as major product by Williamson synthesis.

Ethyl phenyl ether.

HARD
IMPORTANT

Write chemical equations for the preparation of following ether as major product by Williamson synthesis.

Benzyl isopropyl ether

MEDIUM
IMPORTANT

Write the general formula of ether.

MEDIUM
IMPORTANT

The  following reaction is:
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HARD
IMPORTANT

Which of the following paths is/are feasible for the preparation of ether (A) ?

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EASY
IMPORTANT

Which of the following alcohols gives the best yield of dialkyl ether on being heated with a trace of sulphuric acid?