Question:

Match the following
List-I (Molecule)List-II (Dipole moment in D)
A) \( \text{HCCl} \)I) \( 1.85 \, \text{D} \)
B) \( \text{NH}_3 \)II) \( 1.07 \, \text{D} \)
C) \( \text{H}_2\text{O} \)III) \( 0.23 \, \text{D} \)
D) \( \text{NF}_3 \)IV) \( 1.47 \, \text{D} \)

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When studying dipole moments, remember that the value depends on the molecular geometry and electronegativity of the atoms involved.
Updated On: Jun 6, 2025
  • A-II, B-IV, C-I, D-III
  • A-IV, B-III, C-I, D-II
  • A-II, B-I, C-IV, D-I
  • A-III, B-II, C-IV, D-I
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The Correct Option is A

Solution and Explanation

The correct matching is as follows:
- A) HCCl has a dipole moment of 1.85 D, so it matches with II.
- B) NH₃ has a dipole moment of 1.07 D, so it matches with IV.
- C) H₂O has a dipole moment of 1.47 D, so it matches with I.
- D) NF₃ has a dipole moment of 0.23 D, so it matches with III.
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