MCQ
In which conversion, bond length decreases :
- A$N _2 \rightarrow N_2{ }^{+}$
- B$N _2 \rightarrow N_2^{-}$
- ✓$O _2 \rightarrow O _2^{+}$
- D$O _2 \rightarrow O _2^{-}$
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|
List $I$ (Conversion) |
List $II$ (Number of Faraday required) |
| $A$. $1 \mathrm{~mol}$ of $\mathrm{H}_2 \mathrm{O}$ to $\mathrm{O}_2$ | $l$. $3 \mathrm{~F}$ |
| $B$. $1 \mathrm{~mol}$ of $\mathrm{MnO}_4^{-}$to $\mathrm{Mn}^{2+}$ | $II$. $2 F$ |
| $C$. $1.5 \mathrm{~mol}$ of $\mathrm{Ca}$ from molten $\mathrm{CaCl}_2$ | $III$. $1F$ |
| $D$. $1 \mathrm{~mol}$ of $\mathrm{FeO}$ to $\mathrm{Fe}_2 \mathrm{O}_3$ | $IV$. $5 \mathrm{~F}$ |
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