MEDIUM
10th CBSE
IMPORTANT
Earn 100

When sulphur dioxide is passed through a saturated solution of hydrogen sulphide, the following reaction occurs:

SO2 +2H2S → 2H2O + 3S

Predict the reducing agent and oxidising agent in this reaction.

Important Questions on Chemical Reactions and Equations

HARD
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 1 - Chemical Reactions and Equations>Revision Exercise>Q 7
Give one example of reaction in which oxidation occurs without involving oxygen.
HARD
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 1 - Chemical Reactions and Equations>Revision Exercise>Q 8
What are redox reactions? Give one example.
MEDIUM
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 1 - Chemical Reactions and Equations>Revision Exercise>Q 9
When a copper strip is placed in a solution of silver nitrate, copper nitrate and silver are formed. Name the reaction.
MEDIUM
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 1 - Chemical Reactions and Equations>Revision Exercise>Q 10
When magnesium burns in Cl2, it forms magnesium chloride. Which element is reduced?
MEDIUM
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 1 - Chemical Reactions and Equations>Revision Exercise>Q 11
Does an oxidising agent in a redox reaction gets reduced or get oxidised?
MEDIUM
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 1 - Chemical Reactions and Equations>Revision Exercise>Q 12
Is the law of conservation of mass observed in a skeletal equation?
MEDIUM
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 1 - Chemical Reactions and Equations>Revision Exercise>Q 13
Aluminium metal replaces iron from iron oxide Fe2O3giving aluminium oxide and iron. Which is more reactive; aluminium or iron?
EASY
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 1 - Chemical Reactions and Equations>Revision Exercise>Q 14

Consider the general reaction:

A2+ + B2- →A + B

Name the reducing agent.