MCQ
Lanthanide for which $+ II$ and $ + III $ oxidation states are common is
- ✓$La$
- B$Nd$
- C$Ce$
- D$Eu$
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$| Pt(s)$ At $298\ K$, $E^o_{cell}$ for cell is $- 2.31\ V$ , what will be the $E_{cell}$ at $pH = 1$ ? ........... $\mathrm{Volt}$
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Statement $I :$ The limiting molar conductivity of $\mathrm{KCl}$ (strong electrolyte) is higher compared to that of $\mathrm{CH}_{3} \mathrm{COOH}$ (weak electrolyte).
Statement $II :$ Molar conductivity decreases with decrease in concentration of electrolyte.
In the light of the above statements, choose the most appropriate answer from the options given below:
The number of compounds/species which obey Huckel's rule is $..........$