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Which of the following is a redox reacti...

Which of the following is a redox reaction ?

A

`H_(2)SO_(4)` with NaOH

B

In atmosphere , `O_(3)` from `O_(2)` by lightning

C

Nigrogen oxides form nitrogen and oxygen by lightning

D

Evaporation of `H_(2)O`

Text Solution

Verified by Experts

The correct Answer is:
C
`N_(2)+O_(2) to 2NO`
Oxidation number of nitrogen changes number zero to +2 (oxidation) and oxidation number of oxygen changes from 0 to -2 (reduction).
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DINESH PUBLICATION-NUCLEAR AND RADIO CHEMISTRY-Unit Test 4
  1. In the reaction 3Br(2) + 6CO(3)^(2-) + 3H(2)O to 5Br^(-) + 2BrO(3)^(...

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  2. Which of the following is a redox reaction ?

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  3. For the redox reaction MnO(4)^(-) + C(2)O(4)^(2-) + H^(+) rarr Mn^(2...

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  4. The chemical that undergoes self oxidation and self reduction in the s...

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  5. In which of the following pairs, there is greatest difference in the o...

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  6. One of the following has both positive and negative oxidation states

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  7. In which of the following compounds , the oxidation number of iodine i...

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  8. In which of the following , elements has least oxidation number ?

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  9. A,B and C are three elements forming a compound in which their oxidati...

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  10. When KMnO(4) acts as an oxidising agnet and ultimetely from MnO(4)^(2-...

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  11. Which of the following reactions involves neither oxidation nor reduct...

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  12. In the following reaction, 4P+3KOH+3H(2)O rarr 3KH(2)PO(2)+PH(3)

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  13. The most powerful oxidizing agent in the following is

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  14. A current of 2.0A passed for 5 hours through a molten metal salt depos...

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  15. on passing a current of 1.0 ampre for 16 min and 5 sec through one lit...

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  16. In a solution of CuSO(4) how much time will be required to preciitate ...

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  17. Conductivity (S m) is directly proportional to area of the plates and ...

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  18. The cell constant of a given cell is 0.47 cm^(-1) . The resistance of ...

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  19. The resistance of 1N solution of acetic acid is 250ohm, when measured ...

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  20. The conductivity of saturated solution of BaSO(4) is 3.06xx10^(-6) ohm...

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