1.

Which of the following statements is not correct from the viewpoint of molecular orbital theory?

Answer»

`Be_2` is not a stable molecule
`He_2` is notstable but `He_2^+` is EXPECTED to exist
Bond strength of `N_2` is maximum AMONGST the homonuclear DIATOMIC molecules
The order of energies of molecular orbitals in `F_2` molecule is`E(SIGMA2S)ltE(sigma^ast2s)ltE(2pip_x)=E(pi2p_y)ltE(sigma2p_z)ltE(pi^ast2p_x)=E(pi^ast2p_y)ltE(sigma^ast2p_z)`

Answer :D


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