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The first ionization entahalpies of Be, B, N and O follow the order

Option 1 -

O < N < B < Be                         

Option 2 -

Be < B < N < O

Option 3 -

B < Be < N < O

Option 4 -

B < Be < O < N

0 1 View | Posted 2 months ago
Asked by Shiksha User

  • 1 Answer

  • P

    Answered by

    Payal Gupta | Contributor-Level 10

    2 months ago
    Correct Option - 4


    Detailed Solution:

    Ionization enthalpy: B < Be < O < N

    IE of N > O [Due to half-filled configuration]

    IE of Be > B [Due to penetration effect]

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