Chemical Bondin...

Which of the following posses two lone pairs of electrons on the cebtral atom and square planar in shape?
(i) $$SF _ 4$$  (ii) $$ XeO _ 4$$ (iii) $$XeF _ 4$$ (iv) $${ ICl }_{ 4 }^{ - }$$

Choose  the correct options:

The dipole moment of chlorobenzene is $$1.73 D$$. The dipole moment of $$p-dichlorobenzene$$ is excepted to be:

Covalancy of nitrogen in molecule is:

In $${ PO }_{ 4 }^{ 3- }$$ ion the formal charge on the oxygen atom of P-O bond is:

Which of the following involves transfer of five electrons?

The main factor responsible for weak acidic nature of $$B-F$$ bonds in $$BF_3$$ is:

The strength of sigma bonds formed by axial overlap of $$s-$$ or $$p-$$ orbitals of $$2nd$$ shell of participating atom decreases as:

Which statement is correct :-

The number of anti-bonding electron pairs in $${O}_2^-$$ molecular ion on the basis of molecular orbital theory is (atomic no. of $$O$$ is $$8$$) :