Redox Reactions - Topic Wise Multiple Choice Questions (MCQ)
Topic Wise free Redox Reactions and Electrochemistry MCQ for 11th 12th exam Practice Multiple Choice Questions and answer for JEE-mains State CET Engineering Entrance GATE free Online Test
6 )
In balanced equation, aCu2S + bNO3 – cH+ → 12Cu2+ + eSO4 2– + fNO + gH2O then what will be the change in oxidation no. and the value of b and g respectively?
30, 10, 8
121, 20, 16
60, 20, 16 ✔
24, 10, 8
View Solution
7 )
Aqueous solution of salt of metal B is stored in a vessel of metal A and aqueous solution of salt of metal c can be stored in the vessel of metal B, then, which of the following is the correct descending order of their strength of reducing agent of A, B and c?
A > B > C
A > C > B
C > B > A ✔
C > A > B
View Solution
8 )
5 faraday electric charge is passed during electrolysis of molten cacl2 solution, then what moles of Ca obtained at cathode experimentally?
2.5 mole
less than 2.5 mole ✔
more than 2.5 mole
5 mole
View Solution
9 )
Oxidation reaction means _____________
a process of removing electron ✔
a process of adding hydrogen
a process of removal of oxygen
a process of adding electrons
View Solution
10 )
Which substance is oxidizing agent?
a substance donates hydrogen or accepts oxygen
a substance experience oxidation
a substance donates oxygen or accepts hydrogen ✔
a substance donates electron
View Solution