Advertisements
Advertisements
प्रश्न
Balance the following equation by the ion electron method.
\[\ce{Zn + NO^-_3 ->Zn^2+ + NO}\] (in acid medium)
Advertisements
उत्तर
Half reactions are
\[\ce{Z^0n -> Zn^2+}\] ...........(1)
\[\ce{N^{+5}O^-_3 -> N^2+O}\] ......(2)
\[\ce{Zn -> Zn^2+ + 2e^-}\] .........(3)
\[\ce{NO^-_3 + 3e^- + 4H^+ -> NO + 2H2O}\] ........(4)
\[\ce{3Zn -> 3Zn^2+ + 6e^-}\] .......(5) [Eq. (3) × 3]
\[\ce{2NO^-_3 + 6e^- + 8H^+ -> 2NO + 4H2O}\] ...........(6) [Eq. (4) × 2]
\[\ce{3Zn + 2NO^-_3 + 8H^+ -> 3Zn^2+ + 2NO + 4H2O}\]
APPEARS IN
संबंधित प्रश्न
What do you understand by the term oxidation number?
Balance the following equation by the oxidation number method.
\[\ce{K2Cr2O7 + Kl + H2SO4 -> K2SO4 + Cr2(SO4)3 + I2 + H2O}\]
Balance the following equation by the oxidation number method.
\[\ce{Cu + HNO3 -> Cu(NO3)2 + NO2 + H2O}\]
Balance the following equation by the ion electron method.
\[\ce{KMnO4 + SnCl2 + HCl -> MnCl2 + SnCl4 + H2O + KCl}\]
Balance the following equation by the ion electron method.
\[\ce{C2O^2-_4 + Cr2O^2-_7 -> Cr^3+ + CO2}\] (in acid medium)
Reducing agent is a species that ____________.
What is the formula of hydrolith?
Which one of the following CANNOT act as a reducing agent?
Which of the following represents a redox reaction?
Which is the best oxidizing agent among the following?
