MCQ
The electronic configuration of $Pt$ (atomic number $78)$ is $...$
- ✓$[ Xe ]\,4 f ^{14} \,5 d ^{9}\, 6 s ^{1}$
- B$[ Kr ]\, 4 f ^{14} \,5 d ^{10}$
- C$[ Xe ] \,4 f ^{14}\, 5 d ^{10}$
- D$[ Xe ] \,4 f ^{14}\, 5 d ^{8} \,6 s ^{2}$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| Column $I$ | Column $II$ |
| $(A) \,XX '$ | $(i)$ $T-$shape |
| $(B)\,XX'_3$ | $(ii)$ Pentagonal bipyramidal |
| $(C)\,XX '_5$ | $(iii)$ Linear |
| $(D)\,XX '_7$ | $(iv)$ Square pyramidal |
| $(v)$ Tetrahedral |
Reason : It is the mechanism and not the balanced chemical equation for the overall change that governs the reaction rate.