Advertisements
Advertisements
Question
Explain the term redox reaction with an example involving the reaction of hydrogen sulphide with chlorine.
Advertisements
Solution
Redox Reaction: “The reaction in which oxidation and reduction take place simultaneously is called Redox Reaction.”
Removal of hydrogen is oxidation. Here `"H"_2"S"` is oxidised to sulphur whereas the addition of hydrogen is reduction.
Here chlorine is being reduced to hydrogen chloride.
APPEARS IN
RELATED QUESTIONS
Compare hydrogen with alkali metals on the basis of:
Oxide formation
Why zinc and aluminium are considered to have a unique nature. Give balanced equations to support your answer.
Describe briefly the ionic concept of oxidation and reduction. Give an equation to illustrate.
State whether the following conversion is oxidation or reduction:
2Cl- - e-→ Cl2
Divide the following reactions into oxidation and reduction half-reaction:
Zn + Cu2+ → Cu + Zn 2+
Select the correct answer from the symbol in the bracket.
The element, which like hydrogen is a strong reducing agent.
Select the oxidising agent for the following reaction:
\[\ce{H2S + I2 -> 2HI + S}\]
Which among the following are physical or chemical change?
Heating of an iron rod to red hot
Identify the following reactions as oxidation/reduction/redox reaction
Zn + CuSO4 → Cu + ZnSO4
Answer the questions based on the equation below:
\[\ce{CH3 - CH2 - OH ->[{[O]}][K2Cr2O7/H2SO4] CH3 - COOH}\]
- What type of reaction is it?
- What is the role of the chemical written on the arrow?
- Give one example of one such type of chemical as in answer (b).
