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Alcohols, Phenols and Ethers

Short Answer Type

121. Why have ethers low boiling points?

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One Word Answers

122.

What is the type of hybridization associated with oxygen atom in an ether molecule?

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Short Answer Type

123.

Complete the following equation:

$CH subscript 3 minus straight O minus CH subscript 3 plus CH subscript 3 COCl space rightwards arrow from increment to ZnCl subscript 2 of$

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124.
How will you obtain diether ether from ethanol?

When ethanol is heated with conc. H₂SO₄ in a molar ratio of 2 : 1 at 140°C, diethyl ether is obtained.

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125.

Does peroxide formation occur more rapidly with n-propyl ether or di-isopropyl ether?

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126.

Why no flame should be allowed in the lab, while working with ether?

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127.

Why is O—CH₃, ortho and para directing in aromatic electrophilic substitution?

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128. Diethyl ether does not react with sodium. Explain.

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129.

Preparation of ethers by acid dehydration of secondary or tertiary alcohols is not a suitable method. Give reason.

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130.

How is 1-propoxypropane synthesised from propan-1-ol?

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Previous Year Papers

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Test Yourself

Short Answer Type

One Word Answers

Short Answer Type

124. How will you obtain diether ether from ethanol?

124.
How will you obtain diether ether from ethanol?