Question:
Ethanol and dimethyl ether form a pair of functional isomers. The boiling point of ethanol is higher than that of dimethyl ether due to the presence of
Ethanol and dimethyl ether form a pair of functional isomers. The boiling point of ethanol is higher than that of dimethyl ether due to the presence of
Updated On: May 4, 2024
- H-bonding in ethanol
- H-bonding in dimethyl ether
- $-CH_3$ group in ethanol
- $-CH_3$ group in dimethyl ether
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The Correct Option is A
Solution and Explanation
Alcohols have higher boiling points as compared
to other organic compounds of similar molecular
masses such as ethers. This is due to the presence of
intermolecular hydrogen bonding in alcohols which
is absent in ethers. Because of hydrogen bonding in
alcohols, these exist as associated molecules rather
than discrete molecules. Consequently, a large
amount of energy is required to break these bonds
and therefore, their boiling points are high.
to other organic compounds of similar molecular
masses such as ethers. This is due to the presence of
intermolecular hydrogen bonding in alcohols which
is absent in ethers. Because of hydrogen bonding in
alcohols, these exist as associated molecules rather
than discrete molecules. Consequently, a large
amount of energy is required to break these bonds
and therefore, their boiling points are high.
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Concepts Used:
Alcohols
What is Alcohol?
Alcohol is a derivative of water (H2O) that has one, two, or more hydroxyl groups that are attached to a carbon atom of a hydrocarbon chain (an alkyl group). It is one of the most common organic compounds used in sweeteners, fragrances, and medicine.
Read More: Types of Alcohol
Uses of Alcohol:
- Ethanol is the alcohol used in alcoholic drinks. It can be used as an industrial methylated spirit where methanol is used very little in quantity as it can be dangerous.
- It is used as fuel to produce carbon dioxide and water by the process of fermentation. Whereas methanol burns carbon dioxide and water to facilitate combustion.
- Alcohol is an organic compound used as a solvent that is insoluble in water.
- It can be used to lower the level of sugar.
- Alcohol is used as a preservative in laboratories.