8. In the reaction: MnO2 + 4HCl ------→ MnCl2 + 2H2O + Cl2
a. name the compound oxidised
b. name the compound reduced
c. define oxidation and reduction on this basis
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Compound oxidised: 4 HCL
Compound reduced: MnO2
Oxidation- Addition of oxygen or removal of hydrogen is called oxidation.
Reduction- Addition of hydrogen or removal of oxygen is called reduction-..
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Answer:
(a)Substance oxidised is HCl
(b)Substance reduced is MnO2.
(c)Oxidation: Oxidation is the process of addition of oxygen over removal of hydrogen from a substance.
Reduction: Reduction is the process of removal of oxygen or addition of hydrogen in any substance.
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