Chemical Bondin...

bond lengths are lower in elements having

The correct order of bond angles in H₂O, NH₃, CH₄ and CO₂ is

The correct increasing order of dipole moment is

Which of the following substances would you expect to have the highest melting point?

Stable outer octet of electrons is achieved in chlorine atom during the formation of NaCl by:

The product of the magnitude of the charge and the distance between the centres of positive and negative charge is called

Polarity in a molecule and hence the dipole moment depends primarily on electronegativity of the constituent atoms and shape of a molecule. Which of the following has the highest dipole moment?

The octet rule is not valid for which of the following molecules?

In the formation of hydrogen molecule, overlapping of atomic orbitals occur  which results in the pairing of electrons. These are:

Which of the following is a correct set of molecule, hybridisation and shape?