Advertisements
Advertisements
Question
Balance the following equation by the oxidation number method.
\[\ce{K2Cr2O7 + Kl + H2SO4 -> K2SO4 + Cr2(SO4)3 + I2 + H2O}\]
Advertisements
Solution
\[\ce{K2Cr2O7 + 6Kl + H2SO4 -> K2SO4 + Cr2(SO4)3 + I2 + H2O}\]
\[\ce{K2Cr2O7 + 6Kl + H2SO4 -> K2SO4 + Cr2(SO4)3 + 3I2 + H2O}\]
\[\ce{K2Cr2O7 + 6Kl + 7H2SO4 -> 4K2SO4 + Cr2(SO4)3 + 3I2 + 7H2O}\]
APPEARS IN
RELATED QUESTIONS
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
Distinguish between oxidation and reduction.
Balance the following equation by the oxidation number method.
\[\ce{KMnO4 + Na2SO3 -> MnO2 + Na2SO4 + KOH}\]
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.
\[\ce{Zn + NO^-_3 ->Zn^2+ + NO}\] (in acid medium)
What is the formula of hydrolith?
In the redox reaction, \[\ce{2MnO^-_4 + SO^{2-}_3 + H2O -> 2MnO^{2-}_4 + SO^{2-}_4 + 2H^+}\], the reductant is:
In the cell represented by \[\ce{Pb(s) | Pb^{2+} (1 M) || Ag+ (1 M) | Ag(s)}\], the reducing agent is ______.
Which of the following represents a redox reaction?
