Q. In a polar molecule, the ionic charge is $4.8 \times 10^{- 10}$esu. If the interionic distance is 1 $\mathring{\mathrm{A}}$ unit, then the dipole moment is
A) 0.48 debye
B) 4.18 debye
C) 4.8 debye
D) 41.8 debye
Explanation
(c)
Given, ionic charge $= 4.8 \times 10^{- 10}$ esu
and, ionic distance $= 1\ \mathring{\mathrm{A}} = 10^{- 8}$cm
We know that
Dipole moment $=$ionic charge$\times$ionic distance
$= 4.8 \times 10^{- 10} \times 10^{- 8}$
$= 4.8 \times 10^{- 18}$ esu $cm^{- 1}$
$= 4.8$ debye
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.