MCQ
Lucas reagent is
- ✓Concentrated $HCl + {\rm{anhydrous }}ZnC{l_2}$
- BDilute $HCl + {\rm{ hydrated }} \, ZnC{l_2}$
- CConcentrated $HN{O_3} + {\rm{ anhydrous }} \, ZnC{l_2}$
- DConcentrated $HCl + {\rm{ anhydrous }} \, MgC{l_2}$
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$6 \mathrm{OH}^{-}+\mathrm{Cl}^{-} \rightarrow \mathrm{ClO}_{3}^{-}+3 \mathrm{H}_{2} \mathrm{O}+6 \mathrm{e}^{-}$
A current of $x A$ has to be passed for $10 h$ to produce $10.0 \mathrm{~g}$ of potassium chlorate. The value of $\mathrm{x}$ is $.......$ (Nearest integer)
(Molar mass of $\left.\mathrm{KClO}_{3}=122.6 \mathrm{~g} \mathrm{~mol}^{-1}, \mathrm{~F}=96500 \mathrm{C}\right)$




