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Home
Class 11
CHEMISTRY
Atomic nitrogen has a higher ionization ...

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

A

by lower electron-electron repulsion in nitrogen

B

the greater effective nuclear charge of nitrogen

C

the fact that the electron ionized in N is from the 2s subshell, while that ionized from O is from the 2p subshell

D

the fact that N has an odd number of electron while O has an even number.

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Text Solution

Verified by Experts

The correct Answer is:
A
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Knowledge Check

  • H_(2)Se has higher boiling point than H_(2)S . This is best explained by

    A
    Higher extent of hydrogen bonding in `H_(2)Se`
    B
    Higher polarity of `H_(2)S`
    C
    Higher polarity of `H_(2)Se`
    D
    Higher dispersion forces in `H_(2)Se` due to its higher molecular weight.

  • 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: 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.

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    The ionization energy of N is more than that of oxygen because:

    The amount of energy required to remove an electron from the last orbit of an isolated (free) atom in gaseous state is known as ionization potential or first ionization potential of the element. Similarly, the energy required for the removal of the electron from the unipositive ion (produced above) is referred to as second ionization potential and thus the third, fourth etc. lonization potentials may be defined in general as the number of ionization potentials of an element may be as much as its number of electrons. Ionization energy of nitrogen is more than that of oxygen which can be explained by

    Statement-I : Nitrogen atom has higher ionization energy than fluorine atom. Statement-II : Nitrogen atom has extra stable electronic configuration due to half filled p-subshell.

    Statement-1 : Nitrogen atom has highter ionization energy than fluorine atom. Statement-2 : Nitrogen atom has extra stable electronic configuration due to half filled p-subshell.

    Which atom has the smallest first ionization energy?

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