Advertisements
Advertisements
Question
Explain oxidation in terms of gain or loss of oxygen with one example.
Advertisements
Solution
Oxidation is the gain of oxygen.
Example:
2Mg + O2 → 2MgO
Here, Mg is oxidised to MgO by accepting oxygen.
APPEARS IN
RELATED QUESTIONS
Explain the following in term Oxidation of gain or loss of oxygen with two example.
What is an oxidation reaction? Identify in the following reaction (i) the substance oxidised, and (ii) the substance reduced:
ZnO + C → Zn + CO
When SO2 gas is passed through saturated solution of H2S, the following reaction occurs:
SO2 + 2H2S → 2H2O + 3S
In this reaction, which substance is oxidised and which one is reduced?
The process of respiration is:
(a) an oxidation reaction which is endothermic
(b) a reduction reaction which is exothermic
(c) a combination reaction which is endothermic
(d) an oxidation reaction which is exothermic
Explain the following in term of gain or loss of oxygen with two examples.
Reduction
Divide the following reactions into oxidation and reduction half-reaction:
Zn + Pb2+→ Pb + Zn 2+
A metal oxide that is reduced by hydrogen is
Complete and balance the following equation:
H2 + S → ___________
Give two tests for a reducing agent.
Oxidising agents are also called as ______ because they remove electrons form other substances.
Oxidation is a process which involves ____________.
The process of reduction involves ____________.
Identify the reducing agent in the following reactions -
`"H"_2"O" + "F"_2 -> "HF" + "HOF"`
The formation of brown colour on the freshly unit surface of vegetables and fruits is because ______ of organic compounds present in them.
Identify the following reactions as oxidation/reduction/redox reaction
Zn + CuSO4 → Cu + ZnSO4
What are redox reactions? Give examples.
Find the oxidation number of the element in the following compound.
Ca in CaH2
Find the oxidation number of the element in the following compound.
A1 in AlCl3
In the redox reaction:
MnO2 + 4HCl → MnCl2 + 2H2O + Cl2
