$2 KMnO _{4}+5 H _{2} C _{2} O _{4}+3 H _{2} SO _{4}(\text { dil. }) \rightarrow K _{2} SO _{4}+2 MnSO _{4}+10 CO _{2}+8 H _{2} O$
સૂચિ-$I$ (પ્રક્રિયા) |
સૂચિ-$II$ (રેડોક્ષ પ્રક્રિયાનો પ્રકાર) |
$(A)$ $\mathrm{N}_{2(\mathrm{~g})}+\mathrm{O}_{2(\mathrm{~g})} \rightarrow 2 \mathrm{NO}_{(\mathrm{g})}$ | $(I)$ વિધટન |
$(B)$ $\begin{aligned} & 2 \mathrm{~Pb}\left(\mathrm{NO}_3\right)_{2(\mathrm{~s})} \rightarrow 2 \mathrm{PbO}_{(\mathrm{s})}+4 \mathrm{NO}_{2(\mathrm{~g})}+\mathrm{O}_{2(\mathrm{~g})}\end{aligned}$ | $(II)$ વિસ્થાપન |
$(C)$ $\begin{aligned} 2 \mathrm{Na}_{(\mathrm{s})}+2 \mathrm{H}_2 \mathrm{O}_{(\mathrm{l})} \rightarrow 2 \mathrm{NaOH}_{(\mathrm{aq} .)}+\mathrm{H}_{2(\mathrm{~g})}\end{aligned}$ | $(III)$ અસમાનુપાતીકરણ (વિષમીક૨ણ) |
$(D)$ $\begin{aligned} 2 \mathrm{NO}_{2(\mathrm{~g})}+2-\mathrm{OH}_{(\mathrm{aq})} \rightarrow \mathrm{NO}_{2(\mathrm{aq} .)}^{-}+\mathrm{NO}_{3(\mathrm{qq} .)}^{-}+\mathrm{H}_2 \mathrm{O}_{(\mathrm{l})}\end{aligned}$ | $(IV)$ સંયોગીકરણ |
નીચે આપેલા વિકલ્પોમાંથી સાચો જવાબ પસંદ કરો.
$S{O_2}\, + \,\,2{H_2}S\,\,\, \to \,\,3S\,\, + \,\,2{H_2}O$