Question

(i) Write the important conditions required for the linear combination of atomic
orbitals to form molecular orbitals. (2 mark)
(ii) Use molecular orbital theory to explain why the Be2 molecule does not exist.
(2 mark)
(iii) Arrange in increasing order of stability: O2, O2+, O2 , 022-. (1 mark)​

Answer 1

Explanation:

Write the important conditions required for the linear combination of atomic

orbitals to form molecular orbitals. (2 mark)

(ii) Use molecular orbital theory to explain why the Be2 molecule does not exist.

(2 mark)

(iii) Arrange in increasing order of stability: O2, O2+, O2 , 022-. (1 mark)