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WBJEE Bond Parameters — practice questions

Explore 1 free Bond Parameters questions in WBJEE Chemistry. Open each question or exercise to read its content, reference answers and available explanation.

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Among haloalkanes, the order of C–X **bond length** is:Read the answer and worked solution →

Worked practice questions

Among haloalkanes, the order of C–X **bond length** is:

  1. C-F > C-Cl > C-Br > C-I
  2. C-I > C-Br > C-Cl > C-F (larger halogen = longer bond)
  3. All same
  4. C-Cl > C-Br > C-F > C-I
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Correct answer: B. C-I > C-Br > C-Cl > C-F (larger halogen = longer bond)

Halogen size increases F < Cl < Br < I. Larger halogen p-orbital ⇒ longer C–X bond. Bond enthalpy decreases in the same direction. C–I bond is the weakest, easiest to break.

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