Advertisements
Advertisements
Question
Balance the following equation by the oxidation number method.
\[\ce{Cu + HNO3 -> Cu(NO3)2 + NO2 + H2O}\]
Solution
\[\ce{Cu + 2HNO3 -> Cu(NO3)2 + NO2 + H2O}\]
\[\ce{Cu + 2HNO3 + 2HNO3 -> Cu(NO3)2 + 2NO2 + 2H2O}\]
\[\ce{Cu + 4HNO3 -> Cu(NO3)2 + 2NO2 + 2H2O}\]
APPEARS IN
RELATED QUESTIONS
Choose the disproportionation reaction among the following redox reactions.
Total number of electrons present in 1.7 g of ammonia is
The correct increasing order of the oxidation state of sulphur in the anions \[\ce{SO^2-_4, SO^2-_3, S2O^2-_4, S2O^2-_6}\] is
What do you understand by the term oxidation number?
Balance the following equation by the oxidation number method.
\[\ce{KMnO4 + H2C2O4 + H2SO4 -> K2SO4 + MnSO4 + CO2 + H2O}\]
Balance the following equation by the ion electron method.
\[\ce{Zn + NO^-_3 ->Zn^2+ + NO}\] (in acid medium)
Reducing agent is a species that ____________.
In the redox reaction, \[\ce{2MnO^-_4 + SO^{2-}_3 + H2O -> 2MnO^{2-}_4 + SO^{2-}_4 + 2H^+}\], the reductant is:
Which one of the following CANNOT act as a reducing agent?
In the cell represented by \[\ce{Pb(s) | Pb^{2+} (1 M) || Ag+ (1 M) | Ag(s)}\], the reducing agent is ______.
