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Elements of Groups 16, 17 and 18 — Chemistry STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceChemistryElements of Groups 16, 17 and 182 Marks
Question
Explain $IC1$ is more reactive than $I2.$
✓

Answer

  • in interhalogen compound $ICl$ and $I_2$ the atoms are bonded by covalent bonds.
  • The covalent bond between dissimilar atoms, $I$ and $Cl$ atoms in $ICl$ is weaker than between similar atoms in $I_2.$
  • Therefore bond dissociation enthalpy of ICl bond is less than that of $I_2$ bond.
    Hence $ICl$ is more reactive than $I_2.$

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