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Oxidation is defined as:...

Oxidation is defined as:

A

Gain of electrons

B

Decrease in positive valency

C

Loss of electrons

D

Decrease in negative valency

Text Solution

Verified by Experts

The correct Answer is:
C
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The oxidation number of an element in a compound decides its nature to acts as oxidant or reductant. Oxidation number is defined and the residual charge which an atom has or appears to have in a molecule whenal other atoms are removed from the molecule as ions. Oxidation number is frequently used interchangebly with oxidation state. The stock notations of oxidation number are based on the periodic property-electronegativity. An atom in a molecule can be assigned positive, negative or zero oxidation number by considering its environment. In few cases, oxidation number can evenn be fractional. Oxidation number of Y in YBa_(2)Cu_(2)O_(7) is +3, then oxidation number of Cu is:

The oxidation number of an element in a compound decides its nature to acts as oxidant or reductant. Oxidation number is defined and the residual charge which an atom has or appears to have in a molecule whenal other atoms are removed from the molecule as ions. Oxidation number is frequently used interchangebly with oxidation state. The stock notations of oxidation number are based on the periodic property-electronegativity. An atom in a molecule can be assigned positive, negative or zero oxidation number by considering its environment. In few cases, oxidation number can evenn be fractional. Oxidation number of oxygen in K_(2)O, K_(2)O_(2),KO_(2),KO_(3) are in the order:

Knowledge Check

  • The oxidation state of an element in a particular compound can be defined as

    A
    The charge aquired by its atom on the basis of electronegative consideration from other atoms in the molecule.
    B
    The residual charge acquired by its atom after removing all electronagative atoms from the molecule.
    C
    The valency of the most electronegative atom present in the molecule
    D
    Total number of electrons accepted by an atom to form a molecule.

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