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Assertion Nitrogen has higher first ioni...

Assertion Nitrogen has higher first ionisation energy than oxygen.
Reason Atomic radius of nitrogen is smaller than that of oxygen.

A

Both Assertion and Reason are correct and Reason is the correct explanation on the Assertion.

B

Both Assertion and Reason are correct but Reason is not the correct explanation of Assertion

C

Assertion is correct but Reason is incorrect

D

Assertion is incorrect but Reason is correct

Text Solution

Verified by Experts

The correct Answer is:
C
NA
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Why is the atomic radius of oxygen slightly more than that of nitrogen?

Along the period, ionisation energy increases, but the first ionisation energy of Be is more than that of boron, and that of nitrogen is more than that of oxygen. Give reason.

Knowledge Check

  • The ionisation energy of nitrogen is more than that of oxygen because

    A
    Of the extra stability size of nitrogen is more than that of oxygen because
    B
    Of the smaller size of nitrogen
    C
    The former contains less number of electrons
    D
    The former about ionisation potential

  • Assertion: Nitrogen has higher ionization enthalpy than oxygen. .Reason: Oxygen has stable half filled configuration .

    A
    Assertion and reason both are correct statements and reason is correct explanation for assertion.
    B
    Assertion and reason both are correct statements but reason is not correct explanation for assertion.
    C
    Assertion is correct statement but reason is wrong statement.
    D
    Assertion is wrong statement but reason is correct statement.

  • Assertion: Effusion rate of oxygen is smaller than nitrogen. Reason: Molecular size of nitrogen is smaller than oxygen.

    A
    If both assertion and reason are true and the reason is the correct explanation of the assertion.
    B
    If both assertion and reason are true but reason is not the correct explanation of the assertion.
    C
    If assertion is true but reason is false.
    D
    If assertion is false but reason is true.

    • Similar Questions

    Explore conceptually related problems

    Assertion. Effusion rate of oxygen is smaller than nitrogen. Reason. Molecular size of nitrogen is smaller than oxygen.

    Atomic nitrogen has a higher ionization energy than atomic oxygen. This is best explained by:

    The ionization potential of nitrogen is more than that of oxygen because of

    Assertion: The diffusion rate of oxygen is smaller than that of nitrogen under identical conditions. Reason: Molecular mass of nitrogen is smaller than that of oxygen.

    Statement-1: The diffusion rate of oxygen is smaller than that of nitrogen under same conditions of T and P. Statement-2: Molecular mass of nitrogen is smaller than that of oxygen.

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