${\mathrm{H}}_2\mathrm{O}$ is dipolar, whereas $\mathrm{B}\mathrm{e}{\mathrm{F}}_2$ is not. It is because

Important Questions on Chemical Bonding and Molecular Structure

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Bond Parameters

If $\text{'}\mathrm{Q}\text{'}$ is the magnitude of charge and $\text{'}\mathrm{r}\text{'}$ is the distance between the centres of positive and negative charges then dipole moment $\left(\mathrm{\mu }\right)$ is given by

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Bond Parameters

Which of the following set of molecules will have zero dipole moment?

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Bond Parameters

Which of the following molecules has permanent dipole moment?

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Bond Parameters

If the dipole moment of toluene and nitro-benzene are $0.43 \mathrm{D}$ and $3.93 \mathrm{D},$ then what is the expected dipole moment of $\mathrm{p}-$nitro toluene ?

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Bond Parameters

Which compounds exhibits maximum dipole moment among the following?

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Bond Parameters

Dipole moment order of which of the following pairs of molecules is not conect?

HARD

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Bond Parameters

Which substance has a dipole moment?

HARD

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Bond Parameters

The dipole moment of which of the following molecule is greater than zero?

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Bond Parameters

Which of the following molecules has the maximum dipole moment?

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Bond Parameters

The dipole moments of $\mathrm{C}\mathrm{C}{\mathrm{l}}_4,\mathrm{}\mathrm{C}\mathrm{H}\mathrm{C}{\mathrm{l}}_3$ and $\mathrm{C}{\mathrm{H}}_4$ are in the order

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Bond Parameters

Pick up the incorrect statement

HARD

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Bond Parameters

Molecule AB has a bond length of $1.617\mathrm{ }\mathrm{Å}$ and a dipole moment of 0.38 D. The fractional charge on each atom(absolute magnitude) is: $({\mathrm{e}}_0=4.802\times {10}^{-10}\mathrm{ }\mathrm{e}\mathrm{s}\mathrm{u})$

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Bond Parameters

Among the following, the most polar molecule is :

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Bond Parameters

Which of the following compounds has zero dipole moment $\left(\mu =0\right)$?

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Bond Parameters

Which of the following has highest dipole moment?

HARD

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Bond Parameters

Which of the following statements is valid for the dipole moment $\left(\mu \right)$ values of cis- and trans ${\mathrm{F}}_2{ \mathrm{N}}_2$ ?

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Bond Parameters

${\mathrm{CHCl}}_3$ is a polar solvent while ${\mathrm{CCl}}_4$ is a nonpolar solvent because ${\mathrm{CCl}}_4$ has

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Bond Parameters

Which of the following possess net dipole moment?

HARD

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Bond Parameters

For which of the following molecule significant $\mu \ne 0$ ?

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Bond Parameters

Which of the following molecules has no dipole moment?