Advertisements
Advertisements
Question
State whether the following conversion is oxidation or reduction:
Cu2+ + 2 e-→ Cu
Advertisements
Solution
Reduction
APPEARS IN
RELATED QUESTIONS
Corrosion can be prevented by using ……………. solution.
In the following reaction between lead sulphide and hydrogen peroxide:
PbS (s) + 4H2O2(aq) → PbSO4(s) + 4H2O(1)
(a) which substance is reduced?
(b) Which substance is oxidised?
Indicate which of the following statement is true and which is false:
The removal of hydrogen from a substance is called reduction.
State a reason why, when hydrogen is passed over heated copper oxide, the resultant product formed, differs in colour from the original reactant.
During the reaction of some metals with dilute hydrochloric acid, following observations are made.
Silver metal does not show any change
Explain this observation giving suitable reason.
Why do we store silver chloride in a dark coloured bottle?
Write a short note on oxidizing and reducing agents.
The formation of brown colour on the freshly unit surface of vegetables and fruits is because ______ of organic compounds present in them.
Choose the odd one out and write the reason:
In the redox reaction:
MnO2 + 4HCl → MnCl2 + 2H2O + Cl2
