MCQ
Outer electronic configuration of $f-$ block elements is :
- A$\ce{(n+1) f^{1-14}(n-1) d^{0-1} n s^2} $
- B$\ce{(n-2) f^{1-14}(n+1) d^{0-1} n s^2} $
- ✓$\ce{(n-2) f^{1-14}(n-1) d^{0-1} n s^2} $
- DNone of the above.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.


A graph is plotted between concentration and time as shown. Effect$-1$ & Effect$-2$ are due to respectively
