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NTA Abhyas JEE Main2020ChemistryClassification of Elements and Periodicity in PropertiesPractice

If the dipole moment of AB molecule is given by 1.2 D and A-B the bond length is 1 Å then % ionic character of the bond is [Given: 1debye = 10 − 18 esu . cm ]

Options

  1. A75
  2. B50
  3. C60
  4. D25

Correct answer

D. 25

Step-by-step solution

μ C a l = 4.8 × 1 0 - 10 e . s . u × 1 0 - 8 c m = 4.8 × 1 0 - 18 e s u c m = 4 . 8 D Hence % ionic character = μ experimental μ calculated × 100 = 1.2 4.8 × 100 = 25 %

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