why energy of Sigma 2s orbital is greater than Sigma star 1S orbital
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because the atomic size of sigma2s orbital is larger than sigma1s orbital
tanu200210:
But your answer matching with actual answer of my question
please explain
oh sorry your answer is not matching
but my explanation is also correct
as per ncert 10
but I am still confused about the answer
what does your answer say
its actual answer is that bonding MO 2s has greater value of n than anti bonding MO 1s
but the value of energy required for 1 s is greater than 2s as per atomic size
i.e ionisation energy
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