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A : The value of van der Waal's constant...

A : The value of van der Waal's constant 'a' of `Cl_(2)` is larger than that of `F_(2)`
R : Larger the surface area, higher will. Be intermolecualr forces of attraction .

A

If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1)

B

If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2)

C

If Assertion is true statement but Reason is false, then mark (3)

D

If both Assertion and Reason are false statements, then mark (4)

Text Solution

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Knowledge Check

  • The value of van der Waals constant 'a' is makimum for

    A
    Helium
    B
    Nitrogen
    C
    `CH_(4)`
    D
    `NH_(3)`

  • The value of van der Waals constant a is the maximum for

    A
    chlorine
    B
    nitogen
    C
    Hydrogen bromide
    D
    helium

  • Assertion : The value of van der Waal's constant a is larger for ammonia than for nitrogen Reason : Hydrogen bonding is present in ammonia

    A
    Both A and R are true and R is the correct explanation of A
    B
    Both A and R are true but R is not a correct explanation of A
    C
    A is true but R is false
    D
    A is false but R is true

    • Similar Questions

    Explore conceptually related problems

    Assertion. The value of van der Waals constant 'a' for ammonia is larger that that of nitrogen gas. Reason. Molecular weight of ammonia is smaller that that of nitrogen gas.

    Assertion: The value of van der Waals constant a is larger for ammonia than for nitrogen. Reason: Hydrogen bonding is present in ammonia.

    The van der waals constants have same values for all the gases.

    (A) More is the value of van der Waal's constant 'a', greater is the tendency of liquefaction. (R) 'a' measures the magnitude of force of attraction among the molecules.

    STATEMENT-1 : The value of van der Waal's constant 'a' is larger for NH_(3) than for N_(2) . STATEMENT -2 : H-bonding is present in NH_(3) While N_(2) has only van der Waals interaction.

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