Haloalkanes & Haloarenes · JEE Main previous year questions

2022 1 question

1. Q842022 · 25 Jun 2022 · Shift 2· Numerical answer

   A solution of $\mathrm{F}{\mathrm{e}}_2(\mathrm{S}{\mathrm{O}}_4{)}_3$ is electrolyzed for 'x' min with a current of $1.5\mathrm{A}$ to deposit $0.3482\mathrm{g}$ of Fe. The value of x is ____. [nearest integer] Given : $1\mathrm{F}=96500\mathrm{C}\mathrm{mo}{\mathrm{l}}^{-1}$ Atomic mass of $\mathrm{Fe}=56\mathrm{g}\mathrm{mo}{\mathrm{l}}^{-1}$

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   Answer: 20