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One gas bleaches the colour of flowers b...

One gas bleaches the colour of flowers by reduction while the other by oxidation. They are

A

CO and `Cl_2`

B

`SO_2 and Cl_2`

C

`H_2S and Br_2`

D

`NH_3 and SO_2`

Text Solution

Verified by Experts

The correct Answer is:
B
`SO_2` bleaches by reduction while chlorine bleaches colour of flowers by oxidation
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ERRORLESS-REDOX REACTIONS-NCERT BASED QUESTION (Oxidizing and Reducing Agent)
  1. H2O2 oxidises K4Fe(CN)6

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  2. When copper turnings are added to silver nitrate solution, a blue colo...

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  3. One gas bleaches the colour of flowers by reduction while the other by...

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  4. Which one of the following does not get oxidised by bromine water

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  5. Which of the following is not a redox reaction

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  6. Maximum number of moles of electrons taken up by one mole of NO(3)^(-)...

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  7. Which one of the following reactions is not an example of redox reacti...

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  8. In aqueous alkaline solution two electron reduction of HO(2)^(-) gives

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

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  10. In the following reaction 3Br(2)+6CO(3)^(2-)+3H(2)O to 5Br^(-)+BrO(3...

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  11. Which of the following is the most powerful oxidizing agent?

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  12. In the reaction HAsO(2)+Sn^(2+) rarr As+Sn^(4+)+H(2)O oxidising agen...

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  13. Thiosulphate reacts differently with iodine and bromine in the reactio...

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  14. Which of the following halides is not oxidised by M no2 ?

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  15. The oxidant which is used as an antiseptic is

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  16. Which one is oxidising substance?

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  17. H5IO6 is a

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  18. The ion(s) that act/s as oxidizing agent in solution is/are

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  19. Which of the following metal ions is colored in aqueous solution ?

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  20. What is the oxidising agent in chlorine water ?

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