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Oxygen molecule is paramagnetic because...

Oxygen molecule is paramagnetic because

A

no. of bonding electrons `gt` no. of antibonding electrons

B

no. of bonding electrons `lt` no. of antibonding electrons

C

no. of bonding electrons = no. of antibonding electrons

D

presence of unpaired electrons in molecular orbitals.

Text Solution

Verified by Experts

The correct Answer is:
D
M.O. configuration of `O_(2)` :
`(sigma1s^(2))(sigma^(**)1s^(2))(sigma2s^(2))(sigma^(**)2s^(2))(sigma2p_(z)^(2))(pi2p_(x)^(2)=pi2p_(y)^(2))(pi^(**)2p_(x)^(1) = pi^(**)2p_(y)^(1))`
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Knowledge Check

  • Oxygen molecule is paramagnetic in nature . What is the paramagnetic content in terms of magnetic moment is O_(2)^(-) ? (a) 1.732 (b) 3 (c) 1.5 (d) 2.5

    A
    `1.732`
    B
    3
    C
    `1.5`
    D
    `2.5`

  • Assertion : O_(2) molecule is diamagnetic while C_(2) molecule is paramagnetic in nature. Reason : Bond order of O_(2) molecule is 1.5 and that of C_(2) molecule is 2.5 .

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

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