Which of the following statements is wrong?
(i) Single N–N bond is stronger than the single P–P bond.
(ii) PH3 can act as a ligand in the formation of a coordination compound
with transition elements.
(iii) NO2 is paramagnetic.
(iv) Covalency of nitrogen in N2O5 is four
Option (i) Single N–N bond is stronger than the single P–P bond is the answer.