Chemical Bondin...

A diatomic molecule has a dipole moment of $$1.2 D$$ if its bond distance is $$1.0 \mathring{A}$$. What fraction of an electronic charge e exists on each atom?

Which of the following molecule/species is having minimum number of lone pair on its central atom?

In which of the following molecules are all the bonds not of equal length? 

In $$OF_2$$, the number of bond pairs and lone pairs of electrons is, respectively:

Which of the following would have a permanent dipole moment?

In $$ OF_2 $$ number of bond pairs and lone pairs of electrons are:

An example of molecule having a three center bond is:

$$ BeF_2 $$ has zero dipole moment whereas $$ H_2O $$ has a dipole moment because:

How many bonds are there in 

In $$ NO_3^- $$ ion, number of bond pairs and lone pairs of electrons on nitrogen atom are -