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Statement I: The solubility of n-alcohol...

Statement I: The solubility of n-alcohol in water decrease with an increase in molecular weight.
Statement II: The reactive proportion of the hydrocarbon part in alcohols increase with increasing molecular weight which permits enthanced hydrogen bonding with water.

A

Statement I is true, Statement II is true, Statement II is the correct explanation of Statement I.

B

Statement I is true, Statement II is true, Statement II is not the correct explanation of Statement I.

C

Statement I is true, Statement II is false.

D

Statement I is true, Statement II is true.

Text Solution

Verified by Experts

The correct Answer is:
C
As the molecular weight increases, non-polar part increases and solubility II is incorrect because hydrogen bonding is not affected by an increase in the non-polar part.
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Statement-1: Solubility on n-alcohol in water decreases with increse in molecular weight. Statement-2: The hydropbobic nature of alkyl chain increases.

Statement -1 Solubility of alcohols decreases with increasing molecular weight Statement -2 : Increases in hydrophobic group decreases proportion of hydrogen bonding .

Knowledge Check

  • Statement I Solubility of n-alcohol in water decreases with increase in molecular weight. Statement II The relative proportion of the hydrocarbon part in alcohols increases with increasing molecular weight which permit enhanced hydrogen with water.

    A
    Statement I is correct. Statement II is correct. Statement II is a correct explanation of Statement I.
    B
    Statement I is correct, Statement II is correct, Statement II is not the correct explanation of Statement I.
    C
    Statement I is correct, Statement II is incorrect
    D
    Statement I is incorrect, Statement II is correct

  • Statement-I : Solubility on n-alcohols in water decreases with increase in molecular weight Because Statement-II: The relative proportion of the hydrocarbon part in alcohols increases with increasing molecular weight which permits enhanced hydrogen bond with water.

    A
    Statement-I is True, Statement-II is True : Statement-II is a correct explanation for Statement-I
    B
    Statement-I is True, Statement-II is True : Statement-II is `NOT` a correct explanation for Statement-I
    C
    Statement-I is True, Statement-II is False.
    D
    Statement-I is False, Statement-II is True.

  • Solubility of alcohol in water increases with

    A
    increase in molecular mass
    B
    increase in size of alkyl group
    C
    increase in number of hydroxyl groups
    D
    decrease in molecular mass

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    Assertion : Solubility of n-orbital of n-orbital in water decrease with increase in molecular weight . Reason : The hydrophobic nature of alkyl chain increase.

    Assertion : Solubility of n-orbital of n-orbital in water decrease with increase in molecular weight . Reason : The hydrophobic nature of alkyl chain increase.

    Assertion: Solubility of n -alcohol in water decreases with increases in molar mass. Reason: The hydrophobic neture of alky 1 chain increases.

    Assertion : Solubility of alcohols in water decreases with the increase in the molecular mass. Reason : The increase in the size of the alkyl group increases the polar nature of O-H group.

    Which is correct sequence according to increasing molecular weight?

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