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प्रश्न
Fill in the following blanks with suitable words:
The addition of hydrogen to a substance is called ........ whereas removal of hydrogen is called .......
उत्तर
The addition of hydrogen to a substance is called reduction, whereas removal of hydrogen is called oxidation.
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संबंधित प्रश्न
What are anti-oxidants? Why are they added to fat and oil containing foods?
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?
Define oxidation in terms of gain or loss of hydrogen with one example.
Hydrogen burns with a ______ flame and ______ sound is heard.
Explain the following in term of gain or loss of oxygen with two examples.
Reduction
In the following reaction: A+ + B → A + B+. Write half-reactions for this reaction and name:
- oxidizing agent
- substance oxidized
- reducing agent
Explain the term redox reaction with an example involving the reaction of hydrogen sulphide with chlorine.
Explain the following reaction with their balanced chemical equation.
Hydrogen sulphide reacts with sulphur dioxide.
The formation of brown colour on the freshly unit surface of vegetables and fruits is because ______ of organic compounds present in them.
Find the oxidation number of the element in the following compound.
Zn in ZnSO4
