Mathematics of Dipole Moment
Trending Questions
Q. A diatomic molecule has dipole moment of 1.2 D. If the bond distance is 1.0 ∘A, what fraction of charge e exists on each atom?
1
0.5
0.25
0.125
Q. Ortho-chloro phenol is less polar than O-fluoro phenol. Why?
Intra molecular H-bonding
Inter molecular Hydrogen bonding
Size of Cl as compared to size of F
Cl is a gas
Q.
The maximum number of compounds that have the same net dipole moment is? The dipole moment μ of C−Cl = 1.5D
(1) Ph−Cl
(2)(3)
(4)(5)
(6)
1
2
4
3
Q.
The values of EN of A and B are 1.2 and 4.0 respectively. % ionic character in bond A - B is
Q.
Calculate % ionic character in HCl.
Bond length=1.275∘A, μobserved = 1.03 D
Q. If the observed dipole moment of HF is 1.944 D and the bond length of HF is 90 pm. Find the % covalent character of HF.
Q. Assume that in CHX3, only the CX bond is polar and it has 20% ionic character. Also, CHX3 is a perfect tetrahedral i.e. ∠HCX=∠XCX=109∘28′. If the C-H bond length is 150 pm, then find dipole moment (in Debye) of CHX3.(Given:cos(180−109∘28′)=13) .
Q. Calculate the fractional charge on Bromine atom in HBr. Given dipole moment of HBr = 0.78 D, bond distance of HBr = 1.41∘A, electronic charge e = 4.8×10−10 e.s.u
- +0.11
- −0.11
- −0.22
- +0.22
Q. Which of the following has a zero dipole moment?
- CO2
- NH3
- NF3
- H2O
Q. If the dipole moment of AB molecule is given by 2.4 D and A-B the bond length is 1 A then % covalent character of the bond is: