In the given balanced chemical reaction,

${{}^{}}_{}$
\(\mathrm{IO}_3^{-}+\mathrm{aI}^{-}+\mathrm{bH}^{+} \rightarrow \mathrm{cH}_2 \mathrm{O}+\mathrm{dI}_2\)

The values of a, b, c, and d respectively are-

1. 5, 6, 3, 3

2. 5, 3, 6, 3

3. 3, 5, 3, 6

4. 5, 6, 5, 5

In the equation, 

$C{r}_2{O}_7^{2-}+F{e}^{2+}+H^{+}\to C{r}^{3+}+F{e}^{3+}+H_{2}O$

the coefficients of $F{e}^{2+} and H^{+}$ are respectively:

The oxidation state of Cu in  ${\mathrm{YBa}}_2{\mathrm{Cu}}_3{\mathrm{O}}_7$  is -

(Yttrium = +3)

The balanced equation for the reaction between chlorine and sulphur dioxide in water is-

For the redox reaction,
 a${\mathrm{MnO}}_4^{-}+{\mathrm{bC}}_2{\mathrm{O}}_4^{2-}+{\mathrm{cH}}^{+}\to {\mathrm{dMn}}^{2+}+{\mathrm{eCO}}_2+{\mathrm{fH}}_2\mathrm{O}$
the correct stoichiometric coefficients of the reactants a, b, and c respectively for the balanced equation are: 

1. 16, 5, 2
2. 2, 5, 16
3. 2, 16, 5
4. 5, 16, 2

$2{\mathrm{MnO}}_4^{-}+5{\mathrm{H}}_2{\mathrm{O}}_2+6{\mathrm{H}}^{+}\to 2 \mathrm{Z}+5{\mathrm{O}}_2+8{\mathrm{H}}_2\mathrm{O}$. In this reaction Z is :

1. ${\mathrm{Mn}}^{2+}$

2. ${\mathrm{Mn}}^{4+}$

3. ${\mathrm{MnO}}_2$

4. Mn

Balance the following reaction and find the values of a, b and g, respectively

\(aKMnO_4 + bH_2O_2 + 3H_2SO_4 \rightarrow \)
\( dMnSO_4 + eK_2SO_4 + fO_2 + gH_2O\)

1. 2, 4, 8

2. 2, 5, 8

3. 10, 4, 16

4. 8, 5, 2

Balance the following equation and choose the quantity that is the sum of the coefficients of reactants and products :

$...{\mathrm{PtCl}}_4+...{\mathrm{XeF}}_2\to {\mathrm{PtF}}_6+....\mathrm{ClF}+...\mathrm{Xe}$

1. 16

2. 13

3. 18

4. 12

The maximum weight of nitric oxide that can be obtained starting only with 10.00 g of ammonia and 20.00 g of oxygen is -

In an alkaline medium ClO₂ oxidize H₂O₂ in O₂ and reduces itself in Cl^– . How many moles of H₂O₂ will be oxidized by one mole of ClO₂?