JEE Main Chemistry question

Which of the following will occur when two atoms of an element with the same spin of electron in their orbitals approach each other?

(A)Orbitals will overlap
(B)Orbitals will not overlapCorrect
(C)Bonding will take place
(D)A diatomic molecule will be formed

Answer: (B)

Solution

According to valence bond theory (and the Pauli exclusion principle), only electrons with opposite (paired, antiparallel) spins can effectively overlap and occupy the same bonding region to form a covalent

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Question ID VK-133514