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Ethyl alcohol (C(2)H(5)OH) has higher bo...

Ethyl alcohol `(C_(2)H_(5)OH)` has higher boiling point than dimethyl ether `(CH_(3)-O-CH_(3))` although the molecular weight of both are same .

A

hydrogen bonding in ethanol

B

hydrogen bonding in dimeyl ether

C

`CH_(3)` group in ethanol

D

`CH_(3)` group in dimethyl ether

Text Solution

Verified by Experts

The correct Answer is:
A
Ethanol has hydrogen bonding so its melting point is higher than its isomer dimethyl ether
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Explore conceptually related problems

Ethy1 alcohol (C_(2)H_(5)OH) has higher boiling point than dimethyl ether (CH_(3)-O-CH_(3)) although the molecular weight of both are same .

Which one has high boiling point and why? Ethyl alcohol or dimethyl ether.

Explain the following : (a) Dimethyl ether has a lower boiling point (249K) than ethyl alcohol (351K) although both have same molecular masses. (b) Ethers have low solubility in water but high solubility in conc. H_(2)SO_(4) .

Assertion (A) : CH_(3)OCH_(3) and C_(2)H_(5)OH has comparable molecular weight but boiling point of C_(2)H_(5)OH is more than dimethyl ether. Reason (R) : C_(2)H_(5)OH forms intermolecular. H-bonding while CH_(3)OCH_(3) forms intramolecular H-bonding.

Assertion: Alcohols have higher boiling points than ethers of comparable molecular masses. Reason: Alcohols and ethers are isomerism in nature.

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