MCQ
Nesseler's reagent is
- A${K_2}Hg{I_4}$
- ✓${K_2}Hg{I_4} + KOH$
- C${K_2}Hg{I_2} + KOH$
- D${K_2}Hg{I_4} + Hg$
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$(i)\, [Xe]\,6s^1$
$(ii)\, [Xe]\,4f^{14}5d^16s^2$
$(iii)\, [Ne]\,3s^23p^5$
$(iv)\, [Ar]\,3d^74s^2$
Which one of the following statements about these elements is not true ?