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A mixture of potassium chlorate, oxalic ...

A mixture of potassium chlorate, oxalic acid and sulphuric acid is heated. During the reaction which element undergoes maximum change in the oxidation number?

A

C

B

S

C

H

D

Cl

Text Solution

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The correct Answer is:
D
`ClO_(3)^(-)` change to `Cl^(-)` oxidation state to `+5` to `-1`
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PHYSICS WALLAH-REDOX REACTIONS-LEVEL-1
  1. Which of the following is the most powerful oxidising agent ?

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  2. In acidic medium, H(2)O(2) changes Cr(2)O(7)^(-2) to CrO(5) which has ...

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  3. Which of the following is a redox reaction?

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  4. What values of 0.1 N oxalic acid solution can be reduced by 250 g of a...

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  5. In the following reaction: 3Fe+4H(2)OrarrFe(3)O(4)+4H(2), if the ato...

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  6. The oxidation number and covalency of sulphur in the sulphur molecule ...

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  7. Oxidation state of P in H(4)P(2)O(5), H(4)P(2)O(6), H(4)P(2)O(7) are r...

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  8. Oxidation number if iodine in IO(3)^(-), IO(4)^(-),KI and I(2) respect...

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  9. Which of the following have been arraned in the decreasing order of ox...

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  10. Carbon is in the lowest oxidation state in

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  11. Which one can act as oxidising & reducing agent

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  12. A mixture of potassium chlorate, oxalic acid and sulphuric acid is hea...

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  13. How many moles of iodine are liberated when 1 mole potassium dichromat...

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  14. Oxidation number of 'N' in N(3)H (hydrazoic acid) is :-

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  15. Which one of the following is not a redox reaction :-

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  16. Which of the following examples does not represent disproportionation ...

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  17. The oxidation number and covalency of sulphur in the sulphur molecule ...

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  18. In a reaction, H(2)O +C rarr CO +H(2)

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  19. 0.52 g of a dibasic acid required 100 mL of 0.2 N NaOH for complete ne...

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  20. In which of the following compound oxidation number of Cl is +3?

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