Question
Explain the following term with example.
Reduction
Reduction
✓
Answer
A chemical reaction in which a substance gains hydrogen or loses oxygen is called a reduction reaction.
E.g. In the following reaction, ethylene (ethene) is reduced to ethane.
$
\underset{\text { Ethylene }}{ H _2 C = CH _2} \underset{ Pt / Ni }{\stackrel{ H _2}{\longrightarrow}} \underset{\text { Ethane }}{ CH _3 CH _3}
$
E.g. In the following reaction, ethylene (ethene) is reduced to ethane.
$
\underset{\text { Ethylene }}{ H _2 C = CH _2} \underset{ Pt / Ni }{\stackrel{ H _2}{\longrightarrow}} \underset{\text { Ethane }}{ CH _3 CH _3}
$
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
Why are aqueous solutions of ionic compounds able to conduct electricity?
Why is LPG considered a better fuel than coal?
Explain concept with example/explain with the help of a balanced equation.
Calcination
Calcination
Write down the magnification formula for a lens in terms of object distance and image distance. How does this magnification formula for a lens differ from the corresponding formula for a mirror?
Complete the following chart.
What is meant by ‘unisexual flowers’ and ‘bisexual flowers’ ? Give two examples of each.
write the molecular formulae of oxides of the following elements by referring to the Mendeleev’s periodic table. Na, Si, C, Rb, P, Ba, Cl, Sn.
Balance the following equation stepwise.
Write down a balanced chemical equation for the following reaction.
Calcium chloride + Sulfuric acid → Calcium sulphate + hydrogen chloride
Write down a balanced chemical equation for the following reaction.
Calcium chloride + Sulfuric acid → Calcium sulphate + hydrogen chloride
What would have happened if any of the cells in nature had not been divided by meiosis?
What are the periods and groups in a periodic table ? Give two characteristics of each.