Advertisements
Advertisements
Question
Divide the following reactions into oxidation and reduction half-reaction:
Zn + Cu2+ → Cu + Zn 2+
Advertisements
Solution
Zn + Cu2+ → Cu + Zn 2+
Zn → Zn 2+ + 2 e- ---- Oxidation
Cu2+ + 2 e → Cu ---- Reduction
APPEARS IN
RELATED QUESTIONS
Is oxidation an exothermic or an endothermic reaction?
Define the following in terms of gain or loss of hydrogen with one example:
Oxidation
The electron releasing tendency of zinc is ______ than that of copper.
Why zinc and aluminium are considered to have a unique nature. Give balanced equations to support your answer.
State, giving reason, whether the substances printed in bold letters have been oxidized or reduced.
Mg + 2HCl → MgCl2 + H2
Choose terms from the options given in brackets to complete this sentence.
When CuO reacts with hydrogen,………………… is reduced and ……………….is oxidized to ………………….
(CuO, H2, Cu, H2O)
Explain the term reduction in term of addition and removal of oxygen/hydrogen with a suitable example.
Explain the term redox reaction with an example involving the reaction of hydrogen sulphide with chlorine.
During the reaction of some metals with dilute hydrochloric acid, following observations are made.
Some bubbles of a gas are seen when lead (Pb) is reacted with the acid.
Explain this observation giving suitable reason.
Identify the following reactions as oxidation/reduction/redox reaction
Zn + CuSO4 → Cu + ZnSO4
