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JEE Main202524 Jan 2025Evening ShiftChemistryChemical Bonding and Molecular StructureActual

Given below are two statements : Statement (I): Experimentally determined oxygen-oxygen bond lengths in the O ₃ are found to be same and the bond length is greater than that of a O = O (double bond) but less than that of a single (O-O) bond. Statement (II) : The strong lone pair-lone pair repulsion between oxygen atoms is solely responsible for the fact that the bond length in ozone is smaller than that of a double b

Options

  1. ABoth Statement I and Statement II are false
  2. BStatement I is false but Statement II is true
  3. CStatement I is true but Statement II is false
  4. DBoth Statement I and Statement II are true

Correct answer

C. Statement I is true but Statement II is false

Step-by-step solution

Bond length 1 Bond order Order of O - O bond length O = O < O ₃ < O - O Statement I is true. Lone pair-lone pair repulsion between O-atoms is not solely responsible for the correct order of O-O bond length. Bond order also should be considered. Statement II is false.

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