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A mixture upon along adding conc. H(2)SO...

A mixture upon along adding conc. `H_(2)SO_(4)` gives deep red fumes. It may contain the anions pair `:`

A

`Cr_(2)O_(7)^(2-) " and" Cl^(-)`

B

`Br^(-) " and" Cr_(2)O_(7)^(2-)`

C

`NO_(3)^(-) " and" Cl^(-)`

D

`CrO_(4)^(2-) " and" NO_(3)^(2-)`

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RESONANCE ENGLISH-QUALITATIVE ANALYSIS (ANION)-Exercise-1
  1. Gas that turns lime water milky and aciddied K(2)Cr(2)O(7) green is...

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  2. A gas which turns lead acetate paper black.

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  3. Anion (X^(2-)) is :

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  4. At freezing point of a solution there is always

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  5. Sulphide ion reacts with [Fe(CN)(5)NO] to form a purple coloured compo...

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  6. Which of the following pair of anions are identified by conc. H(2)SO(4...

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  7. Which of the following anion behaves in a different manner than other ...

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  8. Which of the following reagents turns white precipitate of AgCl yellow...

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  9. A mixture when heated with dil H(2)SO(4) does not evolve brown vapour...

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  10. When a mixture of solid NaCl and solid K(2)Cr(2)O(7) is heated with co...

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  11. AgCl dissolves in ammonia solution giving:

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  12. A mixture upon along adding conc. H(2)SO(4) gives deep red fumes. It m...

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  13. The acidic solution of a salt produces blue colour with Kl starch solu...

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  14. A colourless solution of a compound gives a precipitate with AgNO(3) s...

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  15. Which of the following gas turn starch iodide paper blue ?

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  16. Nitrates is confirmed by ring test.The brown colour of the ring is due...

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  17. When a saturated solution of sodium chloride is heated it

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  18. A metal salt solution gives a yellow precipitate with silver nitrate.T...

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  19. Match the anions with the changes observed on qualitative analysis :

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  20. Match the reagent which are used in qualitative analysis of given anio...

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