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STANDARDChemistry-Chemical Bonding

STANDARD Chemistry Bond Lengths MCQ Question

Type: MCQ-conceptual-Medium

The correct sequence of bond length in single bond, double bond and triple bond of C is

A

(C − C) = (C ≡ C) = (C = C)

B

C ≡ C < C = C < C − C

C

C − C < C ≡ C < C = C

D

C = C < C ≡ C < C − C

Correct Answer

Option B

Detailed Explanation

Bond order is inversely proportional to bond length. Thus, triple bonds (C ≡ C) are shorter than double bonds (C = C), which are shorter than single bonds (C − C).

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