1. Tardigrade
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  3. Chemistry
  4. Among the following compounds, which one has the shortest C—Cl bond ?

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Q. Among the following compounds, which one has the shortest $C—Cl$ bond ?

JEE MainJEE Main 2020Haloalkanes and Haloarenes

Solution:

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In option $(3) C - Cl$ bond is shortest due to resonance of lone pair of $- Cl$.

Due to resonance $C - Cl$ bond acquire partial double bond character.

Hence $C - Cl$ bond length is least.