ANSWER:
| ION | MOLECULAR ION |
| 1) “Those species which carry either positive or negative charge are called ions.” 2) Anions having group of atoms are more abundant than cations. 3) Examples: K+, Mg2+, Al3+, O2–, CO32– etc. | 1) “When a molecule loses or gains an electron, it forms a molecular ion.” 2) Cationic molecular ions are more abundant than anionic ones. 3) Examples: CH4+, N2+, CO+ etc. |
(Ref. An Insight Into Objective Chemsitry-11, Ch-01, Q. No. 13)