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The process in which oxidation number in...

The process in which oxidation number increase, is

A

Reduction

B

Hydrolysis

C

Oxidation

D

Decomposition

Text Solution

Verified by Experts

The correct Answer is:
C
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Oxidant is a substance in which the oxidation number of one of the atoms ……………….and reductant is a substacne in which oxidation number of one of atoms ……………..

Knowledge Check

  • The process of oxidation involves:

    A
    addition of `O_(2)` or removal of `H_(2)` to a molecule
    B
    addition of a non-metal or removal of metal
    C
    loss of electrons
    D
    None of above

  • A redox reaction consists of oxidation and reduction half reactions. There is a loss of electrons in oxidation and the species which loses elecrons is sreducing agnet.Its oxidation number increases during oxidation. Similarly there is a gain of electrons during reduciton and the species wlhih gains electrons is an odidsing agent. thhe species which gains electrons is an aoxidising agent its oxidstion number decreases during reduction .The number of electrons released during oxidation is equal to number of electrons gained dunring reduciton Which of the following involves transfer of five electrons?

    A
    `(MnO_(4))^(-)rarrMn^(2+)`
    B
    `(CrO_(4))_(4)^(2-)rarr(Cr)^(3+)`
    C
    `(MnO_(4))^(2-)rarrMnO_(2)`
    D
    `(Cr_(2)O_(7))^(2-)rarr2Cr.`

  • Oxidation can be defined as the terms ( I ) gain of electron and hydrogen ( II ) gain of oxygen and loss of electron ( III ) increase in oxidation number ( IV ) decrease in oxidation number Select the correct terms

    A
    `I` and `II`
    B
    `I` and `IV`
    C
    `I` and `III`
    D
    `II` and `III`

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    Oxidant is a substance in which the oxidation number of one of the atoms ……………….and reductant is a substacne in which oxidation number of one of atoms ……………..

    A reducing agent is a substance : (A) in which an element undergoes increase in oxidation number. (B) in which an element undergoes decrease in oxidation number. (C). which gains electron(s) (D). which shares electron(s)

    Identify the process in which change in the oxidation state is five :

    A redox reaction consists of oxidation and reduction half reactions. There is a loss of electrons in oxidation and the species which loses elecrons is sreducing agnet.Its oxidation number increases during oxidation. Similarly there is a gain of electrons during reduciton and the species wlhih gains electrons is an odidsing agent. thhe species which gains electrons is an aoxidising agent its oxidstion number decreases during reduction .The number of electrons released during oxidation is equal to number of electrons gained dunring reduciton Out of the following only one is redox reaction.Identify it.

    Which has zero oxidation number :-

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