Advertisements
Advertisements
प्रश्न
Identify the following reactions as oxidation or reduction
- Na → Na+ + e
- Fe3+ + 2 e- → Fe+
उत्तर
a. It is an Oxidation reaction.
Oxidation: A chemical reaction which involves addition of oxygen or removal of hydrogen or loss of electrons is called oxidation.
b. It is a Reduction reaction.
Reduction: A chemical reaction which involves addition of hydrogen or removal of oxygen or gain of electrons is called reduction.
APPEARS IN
संबंधित प्रश्न
What are anti-oxidants? Why are they added to fat and oil containing foods?
In what respect does hydrogen differ from:
alkali metals
State whether the following conversion is oxidation or reduction:
K → K+ + e-
A metal oxide that is reduced by hydrogen is
Select the oxidising agent for the following reaction:
\[\ce{H2S + I2 -> 2HI + S}\]
You are provided with two containers made up of copper and aluminium. You are also provided with solutions of dilute HCl, dilute HNO3, ZnCl2 and water. In which of the above containers, can these solutions be kept?
What is rancidity?
Find the oxidation number of the element in the following compound.
Zn in ZnSO4
Find the oxidation number of the element in the following compound.
Ca in CaH2
Find the oxidation number of the element in the following compound.
Mg in MgO