Practice question

MCQ

Question

Which molecule contains a double bond and has a bond length of approximately 123 pm?

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Choose one · Correct answer highlighted

C₂H₄ CO₂ Correct N₂ HF

Explanation

In CO₂ , each C=O double bond has a bond length of ~123 pm, shorter than C=C in ethene (134 pm) due to higher bond strength.

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