Question
(a) Give reasons for the following :
(i) Sulphur in vapour state shows paramagnetic behaviour.
ii) N-Nbond is weaker than P-P bond.
(iii) Ozone is thermodynamically less stable than oxygen.
(b) Write the name of gas released when Cu is added to (i) dilute HNO3 and (ii) conc. HNO3