MCQ
Match the column :-
$\begin{array}{|l|l|l|l|} \hline & Column\,I & & Column\,II \\ & (Reduction\,process) & & (Charge\,required) \\ \hline (a) & 1\,mol\,of\,MnO_4^-\,to\,Mn^{2+} & (p) & 193000\,\,C \\ \hline (b) & 1\,\,mole\,of\,Cr_2O_7^{2-}\,to\,Cr^{3+} & (q) & 289500\,\,C \\ \hline (c) & 1\,\,mole\,of\,Sn^{4+}\,to\,Sn^{2+} & (r) & 482500\,\,C \\ \hline (d) & 1\,mole\,of\,Al^{3+}\,to\,Al & (s) & 579000\,\,C \\ \hline \end{array}$
- A$a \to p, \,b \to r, \,c \to q, \,d \to s$
- B$a \to r, \,b \to s,\, c \to q, \,d \to p$
- C$a \to s, \,b \to q, \,c \to p, \,d \to r$
- ✓$a \to r, \,b \to s, \,c \to p, \,d \to q$