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NTA Abhyas JEE Main2020ChemistryChemical Bonding and Molecular StructurePractice

For which of the following molecules Δ μ ≠ 0

Options

  1. AOnly I
  2. BI and II
  3. COnly III
  4. DIII and IV

Correct answer

D. III and IV

Step-by-step solution

– O H Group and – S – H group have not linear geometries so they cannot cancel each other and net dipole moment is positive. Hence III and IV polar, in I and II μ cancel each other so μ n e t is zero and they are non-polar.

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