1.

With the help of molecular orbital diagram show that Ne2 cannot exist as stable molecule. (Atomic number of Ne = 10).

Answer»

Ne2 (20) = σ1s2 σ*1s2, σ2s2 σ*2s2, σpx2

π 2py2 2π* 2py2π*2py2 2pz2 σ*

2px2

B.O = 1/2 (10 - 10) = 0

Ne2 cannot exist because its bond order is zero.



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