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Which of the following statement is not ...

Which of the following statement is not correct from the point of view of molecular orbital ?

A

`Be_(2)` is not ,a stable molecule

B

`He_(2)` is not stable but `He_(2)^(+)` is expected to exist

C

Bond strength of `N_(2)` is maximum amongst th homonuclear diatomic molecules

D

The order of energies of molecular orbitals in `F_(2)` molecules is `pi_(2px)=pi_(2py) lt sigma_(2pz)`

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The correct Answer is:
D
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Which of the following statements is not correct from the viewpoint of molecular orbital theory?

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Knowledge Check

  • Which of the following statements is not correct from the point of view of molecular orbital theory ?

    A
    `Be_(2)` is not a stable molecule
    B
    `He_(2)` is not stable but `He_(2)^(+)` is expected to exist
    C
    Bond strength of `N_(2)` is maximum amongst the homonuclear diatomic molecules
    D
    The order of energies of molecular orbitals in `F_(2)` molecule is `pi_(2p_(x)) = pi_(2p_(y)) lt sigma_(2p_(z))`

  • Which of the following statements is not correct from the point of view of molecular orbital theory ?

    A
    `Be_(2)` is not a stable molecule
    B
    `He_(2)` is not stable but `He_(2)^(+)` is expected to exist
    C
    Bond strength of `N_(2)` is maximum amongest the homonuclear diatomic molecules
    D
    The order of energies of molecular orbitals in `F_(2)` molecule is `Pi_(2pX) = Pi_(2pY) lt sigma_(2pZ)`.

  • Which of the following statement is not correct from the view point of molecular orbital theory?

    A
    `Be_(2)` is not a stable molecule.
    B
    `He_(2)` is not stable but `He_(2)^(+)` is expected to exist.
    C
    Bond strength of `N_(2)` is maximum amongst the homonuclear diatomic molecules belonging to the second period.
    D
    The order of energies of molecule orbitals in `N_(2)` molecule is
    `sigma2s lt sigma^(star)2s lt sigma2p_(z) lt pi2p_(x)=pi2p_(y) lt pi^(star)2p_(x)=pi^(star)2p_(y) lt sigma^(star)2p_(z)`

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    Which of the following statements is not correct form the view point of molecular orbital theory ?

    Which of the following statements is not correct regarding bonding molecular orbital ?

    Which of the following statement is correct for 3d_(xy) orbitals ?

    According to MOT, two atomic orbitals overlap resulting in the formation of molecular orbital formed. Number of atomic orbitals overlapping together is equal to the molecule orbital formed. The two atomic orbital thus formed by LCAO (linear combination of atomic orbital) in the phase or in the different phase are known as bonding and antibonding molecular orbitals respectively. The energy of bonding molecular orbital is lower than that of the pure atomic orbitals by an amount Delta . This known as the stabilization energy. The enerby of antibonding molecular orbital in increased by Delta' (destabilisation energy). Q. Which of the following statements is not correct regarding bonding molecular orbitals?

    According to the molecular orbital theory which of the following statement is incorrect? [LUMO = lowest unoccupied molecular orbital]

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