MCQ
The structure of $X$ is


- A

- B

- ✓

- D







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| Isotope | Atomic mass (amu) | Relative abundance (%) |
| 36 Ar | 35.97 | 0.337 |
| 38 Ar | 37.96 | 0.063 |
| 40 Ar | 39.96 | 99.6 |
$L(1s^2, 2s^2 2p^4); Q(1s^2, 2s^2 2p^6, 3s^2 3p^5)$
$P(1s^2, 2s^2 2p^6, 3s^1); R(1s^2, 2s^2 2p^6, 3s^2)$
The formulae of ionic compounds that can be formed between these elements are
| List - $I$ | List - $II$ |
| $ICI$ | $\mathrm{T}$-Shape |
| $\mathrm{ICI}_3$ | Square pyramidal |
| $\mathrm{CIF}_5$ | Pentagonal bipyramidal |
| $\mathrm{IF}_7$ | Linear |
Choose the correct answer from the options given below: