Which of the following diatomic molecular species has only a bonds according to Molecular Orbital Theory ?
Question : Which of the following diatomic molecular species has only a bonds according to Molecular Orbital Theory ?
(1) O2
(2) N2
(3) C2
(4) Be2
Answer : from all above options the correct answer is “(3) C2 ” after viewing all options we can say that According to molecular orbital, only C2 has π bonds.
to make it clear please see the equation given below –
Answer explanation : first of all you must know that according to Molecular Orbital Theory “all the atoms has tendency to combine together and crate molecular orbitals ” from this theory if we calculate than we found bond order of 2 in O2 , 3 in N2 , zero in Be2 , and molecule has 1 aid 1 bond , that is why we have marked option ((3) C2 ) for correct answer as per question requirement.
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