iii. No. of electron in ONF = 24
No. of electron in NO2−=24
Both are isoelectronic.
iv. OF2 is a fluoride of oxygen not oxide of fluorine because EN of fluorine is more than oxygen.
OF2=Oxygendifluoride
i. Cl2O7 is an anhydride of perchloric acid.
2HClO4→Δ,−H2OCl2O7
ii. O3 molecules is bent
shape.