JEE Main Chemistry question

Bond length decreases with:

(A)Decrease in size of the atom
(B)Increase in the number of bonds between the atomsCorrect
(C)Decrease in bond order
(D)Decrease in the number of bonds between the atoms

Answer: (B)

Solution

Greater bond multiplicity (bond order) pulls the bonded atoms closer together — a triple bond is shorter than a double bond, which is shorter than a single bond. Hence

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Question ID VK-133803