MCQ
Oxalic acid when heated with conc. ${H_2}S{O_4},$ gives out
- A${H_2}O$ and $C{O_2}$
- ✓$CO$ and $C{O_2}$
- COxalic sulphate
- D$C{O_2}$ and ${H_2}S$
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$Pt|Cl_2| Cl^-(1\,M) ||Cl^-(1\,M)|Cl_2|Pt$
$P_1\, atm$ $P_2\, atm$
$E^o_{Cl_2/Cl^-} = 1.36\,V,$ $E^o_{Cr^{3+}/Cr}= -0.74\,V,$
$E^o_{Cr_2/O_7^{2-}/Cr^{3+}}=1.33\,V,$ $E^o_{MnO^-_4/Mn^{2+}} = 1.51\,V$
Among the following, the strongest reducing agent is

$RCOOAg \xrightarrow{{B{r_2}/\Delta }} R-Br$
which one of the following acid will give maximum yield of $R-Br$ in the above reaction?
