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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

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The correct Answer is:
C
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The process of oxidation involves:

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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?

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 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 :-

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 :

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`
    • AAKASH INSTITUTE-REDOX REACTIONS-ASSIGNMENT SECTION - A
    1. The process in which oxidation number increase, is

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    2. The oxidation state of phosphorus vary from

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    3. Oxidation number of iodine varies from -

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    4. White P reacts with caustic soda, the products are PH(3) and NaH(2)PO(...

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    5. Oxidation number of oxygen atom in O(3) molecule is

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    6. The oxidation number, of C in CH(4). CH(3)CI, CH(2)CI(2), CHCl(3) and ...

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    7. Chlorine is in +3 oxidation state in

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    8. Given that the oxidation number of sulphur is -2, the equivalent weigh...

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    9. In a reaction between zinc and Iodine, zinc iodide is formed. Which is...

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    10. In the reaction 3Br(2)+6CO(3)^(2-)+3H(2)Orarr5Br^(ө)+BrO(3)^(ө)+6HCO...

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    11. In which reaction, there is change in oxidation number of N atom?

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    12. When zinc is added to CuSO(4) solution, copper is precipitated. It is ...

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    13. Which of the following reactions involve oxidation and reduction?

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    14. Which of the following involves the reduction of copper?

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    15. Which one of the following is the correct match?

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    16. The oxidation number of sulphur in H(2)S(2)O(8) is:

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    17. In which of the following compounds iron has lowest oxidation number?

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    18. Phosphorus has the oxidation state +3 in

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    19. The brown ring complex compound is formulated as [Fe(H(2)O)(5)NO]SO(4)...

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    20. Oxidation number of Cr in CrO(5) is

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