Question
What is a redox reaction? Explain with an example.
✓
Answer
The oxidation and reduction reactions occurring together are called a redox reaction.
Example: In this reaction, copper oxide is being reduced to copper whereas hydrogen is being oxidised to water.
Example: In this reaction, copper oxide is being reduced to copper whereas hydrogen is being oxidised to water.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Giving one example each, state what are (i) ionic compounds, and (ii) covalent compounds.
How is it that ionic compounds in the solid state do not conduct electricity but they do so when in molten state?
What is meant by strong acids and weak acids? Classify the following into strong acids and weak acids:
HCl, CH3 COOH, H2SO4, HNO3, H2CO, H2SO3
HCl, CH3 COOH, H2SO4, HNO3, H2CO, H2SO3
What happens when an aqueous solution of sodium sulphate reacts with an aqueous solution of barium chloride? State the physical conditions of reactants in which the reaction between them will not take place. Write the balanced chemical equation for the reaction and name the type of reaction.
In the electrolytic refining of a metal M, what would you take as the anode, the cathode and the electrolyte?
Give an example of a decomposition reaction. Describe an activity to illustrate such a reaction by heating.
Give the IUPAC names for the following:
→- $ \ \ \ \ \ \ \ \ \ \ \ \ \text{H}\\ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{|}\\ \text{CH}_3-\text{C}-\text{CH}_3\\ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{|} \\ \ \ \ \ \ \ \ \ \ \ \text{CH}_3$
- $ \ \ \ \ \ \ \ \ \text{H} \ \ \ \ \ \text{H} \ \ \ \ \ \text{H}\\ \ \ \ \ \ \ \ \ \ \text{|} \ \ \ \ \ \ \ \text{|} \ \ \ \ \ \ \ \text{|}\\ \text{H}-\text{C}=\text{C}-\text{C}-\text{H}\\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{|}\\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{H}$
- $ \ \ \ \ \ \ \ \ \text{H}\\ \ \ \ \ \ \ \ \ \ \text{|}\\ \text{H}-\text{C}-\text{C}\equiv\text{C}-\text{H}\\ \ \ \ \ \ \ \ \ \ \text{|}\\ \ \ \ \ \ \ \ \ \text{H}$
Give the formulae of the compounds that would be formed by the combination of the following pairs of elements:
- Mg and N2
- Li and O2
- Al and Cl2
- K and H
In the following set of element, one element does not belong to the set. Select this element and state why it does not belong:
Calcium, Magnesium, Sodium, Beryllium.
Calcium, Magnesium, Sodium, Beryllium.
Fresh milk has a pH of 6. When it changes into curd (yogurt), will its pH value increase or decrease? Why?