Question

Explain the following with reason. i) Out of N and O, which is the bigger ion? ii)Out of K2O and CaO which is more basic? iii)Out of F and O which is more reactive?

Answer 1

Answer:

The oxides of alkali metals are more basic than alkaline earth metals. On moving down the group of alkali metals or alkaline earth metals, the basic character increases. Hence, the increasing order of basic character is NiO<MgO<SrO<K

2

O<Cs

2

O.