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The evolution of a red-brown gas on heat...

The evolution of a red-brown gas on heating a salt with `K_(2)Cr_(2)O_(7)` and concentrated `H_(2)SO_(4)` can arise from:

A

chlroride

B

bromide

C

nitrate

D

nitrite

Text Solution

Verified by Experts

The correct Answer is:
A, B, C, D
A chloride will give `CrO_(2)Cl_(2)`, bromide will give `Br_(2)`, and nitrate and nitrite will give `NO_(2)`, all these gases are red- brown.
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VK JAISWAL-QUALITATIVE INORGANIC ANALYSIS-ONE OR MORE ANSWER IS/ARE CORRECT
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  2. On raction with dilute H(2)SO(4), which of the following salts will gi...

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  3. A yellow precipitate is obtained when:

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  5. Which of the following pairs of cations cannot be separated by adding ...

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  6. Which of the following mixtures of ions in solution can be separted by...

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  7. Which of the following compound are coloured?

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  8. Which of the followig mixtures of ions in solubiotn can be separted by...

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  9. Which of the following species will be decomposed on acidification?

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  10. Which of the following mixtures of ions in solution can be separated b...

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  11. Which of the following ions can be separated by using dilute HCl?

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  12. Which of the following substance will leave a black residue on strong ...

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  16. Which of the following statement (s) is (are) correct when a mixture ...

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  20. The evolution of a red-brown gas on heating a salt with K(2)Cr(2)O(7) ...

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