What is the value of x in the following equation? MnO- 4 + 4H+ + xe- → MnO 2 + 2H2O
2
3
4
7
8
Correct answer is B
No explanation has been provided for this answer.
X>Y>Z
Y > X > Z
Z > Y > X
Y > Z > X
X > Z > Y
Correct answer is B
No explanation has been provided for this answer.
The common feature of reactions at the anode is that
electrons are consumed
oxidation is involved
ions are reduced
the electrode dissolves
the electrolyte is diluted
Correct answer is B
No explanation has been provided for this answer.
5 mole
4 mole
3 mole
2 mole
1 mole
Correct answer is E
No explanation has been provided for this answer.
Which of the following ions will migrate to the cathode during electrolysis?
Zinc ions
Chloride ions
Sulphide ions
Tetraoxosulphate (Vl) ions
Trioxonitrate (V) ions
Correct answer is A
No explanation has been provided for this answer.