આપેલ : $2 Cu ^{2+}+4 I ^{-} \rightarrow Cu _{2} I _{2}+ I _{2}$
$I _{2}+2 S _{2} O _{3}{ }^{2-} \rightarrow 2 I ^{-}+ S _{4} O _{6}{ }^{2-}$
${H_2}O + B{r_2} \to HOBr + HBr$
$\mathrm{NaCl}+\mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7}+\mathrm{H}_{2} \mathrm{SO}_{4}(\mathrm{Conc} .) \rightarrow(\mathrm{A})+$ ગૌણ નીપજો
$(\mathrm{A})+\mathrm{NaOH} \rightarrow(\mathrm{B})+$ ગૌણ નીપજો
$(\mathrm{B})+\mathrm{H}_{2} \mathrm{SO}_{4}(\mathrm{dilute})+\mathrm{H}_{2} \mathrm{O}_{2} \rightarrow(\mathrm{C})+$ ગૌણ નીપજો
દરેકના એક અણુમાં પરમાણુઓની કુલ સંખ્યાનો સરવાળો જણાવો.
$I.{\text{ }}2Cs{\text{ }} + {\text{ }}2{H_2}O{\text{ }} \to {\text{ 2}}CsOH{\text{ }} + {\text{ }}{H_2}$
$II.{\text{ }}2Cu{I_2} \to 2CuI + {\text{ }}{I_2}$
$III.{\text{ }}N{H_4}Br + {\text{ }}KOH \to KBr{\text{ }} + {\text{ }}N{H_3} + {\text{ }}{H_2}O$
$IV.{\text{ }}4KCN{\text{ }} + {\text{ }}Fe{\left( {CN} \right)_2} \to {K_4}\left[ {Fe{{\left( {CN} \right)}_6}} \right]$