Question
Describe the differences in the properties of lanthanoids and actinoids.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| $T/^\circ C$ | $0$ | $20$ | $40$ | $60$ | $80$ |
| $105 \times k/s-1$ | $0.0787$ | $1.70$ | $25.7$ | $178$ | $2140$ |
| Column $I$ | Column $II$ | ||
| $(i)$ | Oxidation state of Mn in $MnO2$ is | $(a)$ | $+2$ |
| $(ii)$ | Most stable oxidation state of $Mn$ is | $(b)$ | $+3$ |
| $(iii)$ | Most stable oxidation state of $Mn$ in oxides is | $(c)$ | $+4$ |
| $(iv)$ | Characteristic oxidation state of lanthanoids is | $(d)$ | $+5$ |
| $(e)$ | $+7$ |
