Advertisements
Advertisements
Question
In the reaction represented by the following equation:
CuO (s) + H2 (g) → Cu (s) + H2O (1)
(a) name the substance oxidised
(b) name the substance reduced
(c) name the oxidising agent
(d) name the reducing agent
Solution
(a) H2 gets oxidised to H2O.
(b) CuO gets reduced to Cu.
(c) CuO is the oxidising agent.
(d) H2 is the reducing agent.
APPEARS IN
RELATED QUESTIONS
Define corrosion.
Hydrogen burns with a ______ flame and ______ sound is heard.
Give the general group study of hydrogen with reference to
burning
Compare hydrogen and halogens on the basis of:
reaction with oxygen
State, giving reason, whether the substances printed in bold letters have been oxidized or reduced.
Mg + 2HCl → MgCl2 + H2
Complete and balance the following equation:
Fe + H2O →___________+____________
Explain the following reaction with their balanced chemical equation.
Hydrogen sulphide reacts with sulphur dioxide.
Which among the following are physical or chemical change?
Curding of milk
Identify the following reactions as oxidation/reduction/redox reaction
2Mg +O2 → 2MgO
Metals are good ______.
