Which of the following statements is wrong?
(i) Single bond is stronger than the single bond.
(ii) can act as a ligand in the formation of a coordination compound with transition elements.
(iii) is paramagnetic.
(iv) Covalency of nitrogen in is four
The answer is the option (i).Single bond is stronger than single bond, however, naturally occurring nitrogen forms multiple bonds and becomes much more stable than phosphorous.