A. Nasim Zaidi
B. V.S. Sampath
C. T.N. Seshan
D. T. Swaminathan
E. Navin B. Chawla
Choose the correct answer from the options given below :
To arrange the Election Commissioners in chronological order, we must first determine the period each individual served in the Election Commission of India (ECI), primarily focusing on their start date as an Election Commissioner (EC) or Chief Election Commissioner (CEC).
Based on the start dates of their service:
The chronological order from earliest to latest is D, C, E, B, A.
| List-I | List-II |
| Electronic Configuration | First Ionisation energy (kJ mol$^{-1}$) |
| (A). ns$^2$ | (I). 2100 |
| (B). ns$^2$np$^1$ | (II). 1400 |
| (C). ns$^2$np$^3$ | (III). 800 |
| (D). ns$^2$np$^6$ | (IV). 900 |
| List-I | List-II |
| Spectroscopy | Property |
| (A). Raman | (I). Polarizability |
| (B). FTIR | (II). Dipole Moment |
| (C). UV-Visible | (III). Absorbance |
| (D). NMR | (IV). Spin |