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Why is the atomic radius of oxygen sligh...

Why is the atomic radius of oxygen slightly more
than that of nitrogen?

Text Solution

Verified by Experts

(i) comparing electronic configuration of nitrogen
and oxygen
(ii) electronic arrangement in the valence shell of
nitrogen and oxygen
(iii) relation between the electronic arrangement
and the stability of the atom
(iv) effect of stability on size of the atom
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Knowledge Check

  • 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

  • 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.

    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.

  • The first ionisation energy of xygen is less than that of nitrogen which of the following statements is correct reason for this observation? I.Lesser effective nuclear charge of oxygen than nitrogen II.Lesser atomic size of oxygen than nitroigen III.Greater inter electronic repulsion between two electrons in the same p orbital counter balances the increase in effective nuclear charge on moving from nitrogen to oxygen choose the correct option

    A
    only I
    B
    II and III
    C
    I and II
    D
    Only III

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