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Chlorine acts as a bleaching agent only ...

Chlorine acts as a bleaching agent only in the presence of

A

Dry air

B

Moisture

C

Sunlight

D

Pure oxygen

Text Solution

Verified by Experts

The correct Answer is:
B
`Cl_(2) + H_(2)O rarr 2HCl + [O]` Nascent oxygen
`"Coloured flower" + [O] underset("agent")overset("Bleaching")rarr underset(("Oxidized"))("Colourless flower")`
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A2Z-P BLOCK ELEMENTS ( GROUP 15,16,17,18)-Florine, Chlorine, Bromine, Iodine, And Halogen Acids (Preparation And Properties) (Group 17)
  1. When cold NaOH reacts with Cl(2) which of the following is formed

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  2. Which has the highest heat of vaporisation?

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  3. Chlorine acts as a bleaching agent only in the presence of

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  4. In the manufacture of bromine from sea water the mother liquor contain...

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  5. A salt, which on heating with conc. H(2)SO(4) gives violet vapour is

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  6. Which of the following halogen acid is a liquid ?

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  7. A solution of HCl in water is good conductor while gaseous hydrogen ch...

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  8. Sodium chloride when heated with conc. H(2)SO(4) and solid potassium d...

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  9. The formula of some fluorides are given below. Which of then will comb...

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  10. HBr//HI are prepared by heating

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  11. Which of the following oxidizes H(2)O to oxygen?

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  12. Na(2)S(2)O(3)+I(2)rarr Product is

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  13. Which one will liberate Br(2) from KBr?

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  14. on exciting Cl(2) molecule by UV light, we get

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  15. Which of the following statements is not true?

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  16. HCl cannot form H(2)Cl(2), while HF can form H(2)F(2). The reason is

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  17. Aqua regia is a mixture of

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  18. Iodine dissolves readily in

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  19. Chlorine is liberated, when we heat

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  20. Fluorine with dilute NaOHgives

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