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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

If both assertion and reason are correct and reason is correct explanation for assertion.

B

If both assertion and reason are correct but reason is not correct explanation for assertion.

C

If assertion is correct but reason is incorrect.

D

If both assertion and reason are incorrect.

Text Solution

Verified by Experts

The correct Answer is:
C
Correct reason : The configuration of N atom is more symmetrical than that of oxygen
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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.
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