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Alcohols, Phenols and Ethers

Short Answer Type

121. Why have ethers low boiling points?

Ether molecules have no OH group and thus no intermolecular hydrogen bonding. Ethers therefore have quite 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?

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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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