POP (pen on paper) Exam and TMA Questions and answer

DEFINE MOLECULAR ORBITALS AND GIVE THE APPROPRIATE COMBINATION OF THE ATOMIC ORBITALS?

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molecular orbital molecular orbital can be defined as a mathematical function which explain the wave like behaviour of an electron in a molecule.

The appropriate combination of atomic orbitals are:

  1. (1s)=1SA + (1S)B

  2. (1s)*=1SA – 1SB

  3. (2S)=2SA + 2SB

  4. (2S)*=2SA – 2SB

  5. (2Px)= 2PxA + 2PxA

  6. (2Px)*= 2PxA – 2PxA

  7. (2Py)= 2PyA + 2PyA

  8. (2Py)*= 2PyA – 2PyA

  9. (2Pz)= 2PzA + 2PzB

  10. (2Pz*)= 2PzA – 2PzB

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