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CTET Prep: Science Questions - Chemistry - Oxidation and Reduction
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Organic reductions or organic oxidations or organic redox reactions are redox reactions that take place with organic compounds. In organic chemistry oxidations and reductions are different from ordinary redox reactions, because many reactions carry the name but do not actually involve electron transfer.

CTET Prep: Science Questions - Chemistry - Oxidation and Reduction
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25 Questions

1. Oxidation state of Mn in acidic KMnO4 change from is
2. In redox reaction, Na2S2O3 changes to Na2S4O6. What is the equivalent weight of Na2S3O3?
3. The conversion of sugar C12H22O11→ CO2 is
4. The oxidation state of Cr in [Cr(NH3)4Cl2]is
5. The oxidation state of oxygen in OF2 is
6. In an electrolytic cell, the electrode at which the electron enters the solution is known as cathode while the change takes place at this electrode is known as
7. Of the following elements, which one has the same oxidation state in all of its compounds?
8. Oxidation state of C in oxalic acid (H2C2O4) is
9. The oxidation number of nitrogen in NO3 – is
10. Oxidation is defined as
11. Select the compound in which chlorine shows oxidation state + 7?
12. The conversion of Fe++ to Fe+++ is
13. A reducing agent is a substance which can
14. When iron is rusted, it is
15. Oxidation number of S in Na2S4O6 is
16. What is the oxidation number of sulphur in 2 SO4−ion?
17. Starch iodide paper is used to test for the presence of
18. The oxidation number of Fe in K4[Fe(CN6)] is
19. A redox reaction is
20. Molten NaCl is good conductor of electricity is due to
21. The highest state of Mn is shown in
22. Example of covalent bond is
23. The oxidation state of nitrogen in N3H is
24. The oxidation state of phosphorus varies from
25. The oxidation state of Cr in K2Cr2O7 is