He ion has less stable arrangement that H2 molecule. Explain using molecular orbital theory
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H 2 molecule has a bond order of ½ (2 − 0) = 1. There is a single bond connecting the two H atoms in the H 2 molecule.
In the case of He 2 , the bond order is ½ (2 − 2) = 0. This means that He 2 is not a stable molecule.
In the case of He 2 , the bond order is ½ (2 − 2) = 0. This means that He 2 is not a stable molecule.
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Explanation:
Configuration of He sigma 1s^2, sigma* 1s^2, bond order =( bonding orbital electron-antibonding orbital electrons )/2 =(2-2)/2=0 hence bond
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