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Use molecular orbital theory to explain ...

Use molecular orbital theory to explain why the `Be_(2)` molecules do not exist?

Text Solution

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Bond order for `He_(2) = 0 ` .
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Use molecular orbitals theory to explaiin why the Be_(2) molecular does not exist .

Molecular Orbital Theory (MOT)

Knowledge Check

  • According to molecular orbital theory, the paramagnetism of O_(2) molecule is due to presence of

    A
    Unpaired electrons in the bonding `sigma` molecular orbital
    B
    Unpaired electrons in the anti-bonding `sigma` molecular orbital
    C
    Unpaired electron in the bonding `pi` molecular orbital
    D
    Unpaired electrons in the anti-bonding `pi` molecular orbital

  • According to molecular orbital theory, the paramagnetism of O_(2) molecule is due to the presence of

    A
    Unpaired electrons in the bonding `sigma` molecular orbital
    B
    Unpaired electrons in the antibonding `sigma` molecular orbital
    C
    unpaired electron in the bonding `pi` molecular orbital
    D
    Unpaired electrons in the antibonding `pi` molecular orbital

  • Ewing's molecular theory does not explain

    A
    saturation point of magnetization.
    B
    existence of two poles in a magnet.
    C
    paramagnetism
    D
    None of the above

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