Which of the following statements are correct?
(i) All three N—O bond lengths in HNO3 are equal.
(ii) All P—Cl bond lengths in PCl5 molecule in the gaseous state are equal.
(iii) P4 molecule in white phosphorus have angular strain therefore white
phosphorus is very reactive.
(iv) PCl is ionic in the solid-state in which cation is tetrahedral and the anion is
Option (iii) and (iv) are the answers.