Chemical properties of ethers

IMPORTANT

Chemical properties of ethers: Overview

This Topic covers sub-topics such as Hydrolysis of Ether, Reactions of Ethers with HX, Electrophilic Aromatic Substitution Reactions of Aromatic Ethers, Nitration of Aromatic Ether and, Halogenation of Aromatic Ethers

Important Questions on Chemical properties of ethers

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

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

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The nitration of anisole is an example of

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The electrophile in nitration of anisole is nitronium ion.

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Write the mechanism of nitration of anisole.

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What happens when anisole is nitrated?

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Anisole on reaction with chloromethane in presence of anhydrous AlCl3 gives o-methyl anisole and p-methyl anisole.

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Anisole on reaction with chloromethane in presence of anhydrous AlCl3 gives

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On Friedel Crafts acetylation, anisole yields 2-methoxyacetophenone and 4-methoxyacetophenone.

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How anisole reacts with acetyl chloride[CH3COCl] in the presence of anhydrous AlCl3? Write the chemical equation for the equation.

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Complete the following reaction

C2H5OC2H5+H2O

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Ethers on hydrolysis give alcohols.

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Ethers on hydrolysis give

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

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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
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Identify A and B in the following reactions

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The major product in the following is

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HARD
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How will you effect following two step conversions dimethyl ether into formic acid?

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An organic compound 'A' having molecular formula C4H10O does not react with sodium metal. On hydrolysis by dilute H2SO4 it gives only one organic compound 'B'. The compound 'B' on heating with red phosphorous and iodine gives compound 'C'. The compound 'C' also obtained from compound 'A' on heating with excess of HI. Identify the compound A, B and C.

HARD
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Which one of the following compounds dissolve in hot dilute sulphuric acid but does not react with sodium metal ?