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Question

According to the calssical concept, which of the following cannot be termed as reduction?


A
Removal of electropositive element
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B
Addition of Hydrogen
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C
Removal of Oxygen
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D
Removal of electronegative element.
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Solution

The correct option is A Removal of electropositive element
The phenomenon which are termed as reduction according to the classical concept  are:
Addition of Hydrogen
Removal of Oxygen
Gain of electropositive element (like Silver)
Removal of an electronegative element (like Fluorine)

Electronic concept of reduction :

Addition or gain of electrons is termed as reduction.
Cu2++2eCu(s)
Here Cu2+ is reduced to Cu when it loses 2e

 

Chemistry

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