MCQ
$B{r^ - }$ is converted into $B{r_2}$ by using
- ✓$C{l_2}$
- BConc. $HCl$
- C$HBr$
- D${H_2}S$
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What is $A$
Consider the given reaction. The total number of oxygen atoms present per molecule of the product $(P)$ is___________
$Fe^{3+} + e \to Fe^{2+} ;$ $E^o = 0.771\, volts$
$I_2 + 2e\to 2I^-;$ $E^o = 0.536\, volts$
$E^o$ cell for the cell reaction
$2Fe^{3+} + 2I^-\to 2Fe^{2+} + I_2$ is