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Question: Answered & Verified by Expert
If 'Q' is the magnitude of charge and 'r' is the distance between the centres of positive and negative charges then dipole moment $(\mu)$ is given by
ChemistryChemical Bonding and Molecular StructureMHT CETMHT CET 2020 (13 Oct Shift 1)
Options:
  • A $\mu=\mathrm{Q}+\mathrm{r}$
  • B $\mu=Q \times r$
  • C $\mu=\frac{\mathrm{Q}}{\mathrm{r}}$
  • D $\mu=Q-r$
Solution:
2120 Upvotes Verified Answer
The correct answer is: $\mu=Q \times r$
If ' $Q$ ' is the magnitude of charge and ' $r$ ' is the distance between the centres of positive and negative charges then dipole moment $(\mu)$ is given by $\boldsymbol{\mu}=\mathbf{Q} \times \mathbf{r}$.
Dipole moment $(\mu)$ is the product of the magnitude of the charge $(Q)$ and the distance between the centres of positive and negative charge (r).
$\therefore \mu=Q \times r$

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