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Calculate the dipole moment of a molecule with a charge of 1.6 x 10^-19 C and a

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Question: Calculate the dipole moment of a molecule with a charge of 1.6 x 10^-19 C and a bond length of 1.5 Å.

Options:

  1. 2.4 x 10^-29 C·m
  2. 2.4 x 10^-28 C·m
  3. 2.4 x 10^-30 C·m
  4. 2.4 x 10^-31 C·m

Correct Answer: 2.4 x 10^-29 C·m

Solution: 

Dipole moment (p) = charge (q) × distance (d) = (1.6 x 10^-19 C) × (1.5 x 10^-10 m) = 2.4 x 10^-29 C·m.

Calculate the dipole moment of a molecule with a charge of 1.6 x 10^-19 C and a

Practice Questions

Q1
Calculate the dipole moment of a molecule with a charge of 1.6 x 10^-19 C and a bond length of 1.5 Å.
  1. 2.4 x 10^-29 C·m
  2. 2.4 x 10^-28 C·m
  3. 2.4 x 10^-30 C·m
  4. 2.4 x 10^-31 C·m

Questions & Step-by-Step Solutions

Calculate the dipole moment of a molecule with a charge of 1.6 x 10^-19 C and a bond length of 1.5 Å.
  • Step 1: Identify the charge (q) of the molecule, which is given as 1.6 x 10^-19 C.
  • Step 2: Identify the bond length (d) of the molecule, which is given as 1.5 Å. Convert this to meters: 1.5 Å = 1.5 x 10^-10 m.
  • Step 3: Use the formula for dipole moment (p), which is p = charge (q) × distance (d).
  • Step 4: Substitute the values into the formula: p = (1.6 x 10^-19 C) × (1.5 x 10^-10 m).
  • Step 5: Calculate the result: p = 2.4 x 10^-29 C·m.
  • Dipole Moment – The dipole moment is a measure of the separation of positive and negative charges in a system, calculated as the product of charge and distance.
  • Unit Conversion – Understanding the need to convert units (e.g., from angstroms to meters) when performing calculations.
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