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Chemistry · CHEMICAL BONDING AND MOLECULAR STRUCTURE

हिन्दी

Given below are two statements: Statement I: With increase in bond order, bond enthalpy decreases and bond length increases. Statement II: Isoelectronic molecules and ions such as \( \text{F}_2 \) and \( \text{O}_2^{2-} \) have identical bond orders. In the light of the above statements, choose the most appropriate answer from the options given below:

  1. A
    Both Statement I and Statement II are correct.
  2. B
    Both Statement I and Statement II are incorrect.
  3. C
    Statement I is correct but Statement II is incorrect.
  4. D
    Statement I is incorrect but Statement II is correct.
View Answer & Solution

Correct answer · Option D

Statement I is incorrect but Statement II is correct.

Explanation

Statement I is incorrect because with increase in bond order, bond enthalpy increases and bond length decreases. Statement II is correct as both \( \text{F}_2 \) and \( \text{O}_2^{2-} \) have 18 electrons and a bond order of 1.
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