Chemistry, 18.10.2019 11:00, Vsinghvi

What role does the molecular interaction play in a solution of alcohol and water

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The correct answer was given: dev8043

The lower members of alcohol are highly soluble in water but as the molecular weight increase the solubility decreases solubility of lower alcohol is due to hydrogen bonding

The correct answer was given: mathmatics9898

Hey !!

There is intermolecular hydrogen bonding in alcohol as well as in water. On mixing, the magnitude of attractive forces tends to decrease. Due to decrease in attractive forces, the solution shows positive deviations from ideal behaviour. As a result, the solution will have higher vapour pressure and lower boiling point as compared to that of pure water and pure alcohol separately.Hope it helps you !!

The correct answer was given: vijayrockzz4949

Explanation:

The correct answer was given: bhavya1650

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The correct answer was given: ritikkhatana235

However, as the size of alcohol molecule increases, the alkyl groups becomes larger & prevents the formation of hydrogen bonds with water, & hence the solubility goes on decreasing with increase in the length of carbon chain.Also the interaction between the molecules of alcohol and water is weaker than alcohol−alcohol and water−water interactions. As a result, when alcohol and water are mixed, the intermolecular interactions become weaker and the molecules can easily escape. This increases the vapour pressure of the solution, which in turn lowers the boiling point of the resulting solution.

The correct answer was given: faraaz62

The correct answer was given: sahini99

There is strong hydrogen bonding in alcohol molecules as well as water molecules.The intermolecular forces both in alcohol and water are H-bonds.When alcohol and water are mixed,they form solution because of formation of H-bonds between alcohol and H2O molecules but these interactions are weaker and less extensive than those in pure water.

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The correct answer was given: chattanilovely2571

✔✅The lower members of alcohols are highly soluble in water but the solubility decreases with increase in the molecular weight. The solubility of lower alcohols in water is due to formation of hydrogen bonds(Hydrogen bonding) between alcohols & water molecules.

The correct answer was given: priyansh86

Hope it helps!!

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What role does the molecular interaction play in a solution of alochol and water?

The correct answer was given: sana1234544

The lower members of alcohols are highly soluble in water but the solubility decreases with increase in the molecular weight. The solubility of lower alcohols in water is due to formation of hydrogen bonds(Hydrogen bonding) between alcohols & water molecules.
However, as the size of alcohol molecule increases, the alkyl groups becomes larger & prevents the formation of hydrogen bonds with water, & hence the solubility goes on decreasing with increase in the length of carbon chain.Also the interaction between the molecules of alcohol and water is weaker than alcohol−alcohol and water−water interactions. As a result, when alcohol and water are mixed, the intermolecular interactions become weaker and the molecules can easily escape. This increases the vapour pressure of the solution, which in turn lowers the boiling point of the resulting solution.

The correct answer was given: Brain

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The correct answer was given: Brain

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