MCQ
Elements which generally exhibit multiple oxidation states and whose ions are usually coloured are
- AMetalloids
- ✓Transition elements
- CNon-metals
- DGases
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$(I)$ As wavelength decreases, the lines in the series converge
$(II)$ The integer $n_{1}$ is equal to $2$
$(III)$ The lines of longest wavelength corresponds to $\mathrm{n}_{2}=3$
$(IV)$ The ionization energy of hydrogen can be calculated from wave number of these lines

Nucleophile added in this reaction