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The reddish brown gas produced by heati...

The reddish brown gas produced by heating KCl with solid `K_2Cr_2O_7` and conc. `H_2SO_4` is

A

`Cl_2`

B

`CrO_2Cl_2`

C

`CrO_3`

D

`H_2CrO_4`

Text Solution

Verified by Experts

The correct Answer is:
B
`K_2Cr_2 O_7 + 6H_2SO_4 + 4KCl to underset("Raddish brown")(2CrO_2Cl_2uarr) + 6KHSO_4 + 3H_2O`
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ERRORLESS-THE d-AND f- BLOCK ELEMENTS -NCERT BASED QUESTIONS (Compounds of Transitional Elements)
  1. The orange solid on heating gives a colourless gas and a greensolid wh...

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  2. The bonds present in the structure of dichromate ion are

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  3. The reddish brown gas produced by heating KCl with solid K2Cr2O7 and...

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  4. When H(2)O(2) is shaken with an acidified solution of K(2)Cr(2)O(7) in...

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  5. How is sodium chromate converted into sodium dichromate in the manufac...

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  6. Which of the following gases turns the acdified potassium dischromate ...

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  7. Which of the following is formed when CO(2) gas is passed through an a...

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  8. Acidified solution of chromic acid on treatment with hydrogen peroxide...

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  9. In aqueous solution Cr^(2+) is stronger reducing agent than Fe^(2+). T...

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  10. The correct order of increasing oxidising power in the series is

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  11. The correct formula of permaganic acid is

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  12. Why Mn^(2+) compounds are more stable than Fe^(2+) compounds towards o...

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  13. Potassium permanganate acts as an oxidant in neutral, alkaline as well...

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  14. Which of the oxide of manganese is amohoteric

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  15. MnO(4)^(-) reacts with Br^(-) in alkaline pH to give

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  16. Which of the following statement is incorrect for KMnO4

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  17. Mn^(2+) can be converted into Mn^(7+) by reacting with

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  18. Formula of thiosulphate, manganate and arsenate respectively are

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  19. The number of moles of KMnO(4) that will be needed to react completely...

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  20. When a brown compound of Mn (A) is teated with HCl, it gives a gas (B)...

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