What do oxidation reactions produce during the electrolysis of water?
2 answers:
Answer : Oxidation reaction produces oxygen and water molecule during electrolysis of water.
Explanation:
Electrolysis : It is a type of process in which the chemical decomposition produced by passing an electric current through the solution that containing the ions.
Electrolysis of water : It is basically the decomposition of water into oxygen and hydrogen gas through a process of electric current.
Oxidation reaction is defined as the reaction in which a substance looses its electron to attain stability.
The chemical reactions during electrolysis of water are:
At cathode:
At anode:
Overall reaction:
Oxidation reaction occurs at anode.
Hence, oxidation reaction produces oxygen and water molecule during electrolysis of water.
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Explanation:
The given data is as follows.
Refractive index of mixture = 1.456
Refractive index of hexane = 1.375
Refractive index of toulene = 1.497
Let mole fraction of hexane =
and, mole fraction of toulene =
Also,
or,
Hence, calculate the mole fraction of hexane as follows.
refractive index mixture= mole fraction hexane × ref index hexane + mole fraction toluene × ref index toluene.
1.456 =
1.456 =
0.081 =
=
= 0.66
Since,
= 1 - 0.66
= 0.34
Thus, we can conclude that mole fraction of hexane in your sample is 0.34.