Multiple choice

Energies of orbitals decrease as _____________.

  1. p > sp3 > sp2 > sp > s

  2. p > s > sp > sp2 > sp3

  3. sp3 > sp2 > sp > p > s

  4. sp > sp2 > sp3 > p > s

  5. s > sp > sp2 > sp3 > p
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A Correct answer
Explanation

p - orbital has maximum energy than hybrid orbital and s - orbital has lower energy than hybrid orbital. In case of hybrid orbital, sp3 have more p character than sp2 and sp2 have more p character than sp. So, the decreasing order of orbitals is p > sp3 > sp2 > sp > s.

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