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Unknown salt 'A'+K(2)Cr(2)O(7)+"conc. "H...

Unknown salt `'A'+K_(2)Cr_(2)O_(7)+"conc. "H_(2)SO_(4) to `Reddish brown fumes. Which is the correct statement regarding the above observation?

A

It confirms the presence of `CI^(-)` ion

B

If confirms the presence of `Br^(-)` ion

C

It confirms the presence of both

D

It neither confirms `CI^(-)` nor `Br^(-)` unless it is passed through `NaOH` solution

Text Solution

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The correct Answer is:
D
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GRB PUBLICATION-SALT ANALYSIS-D.Class-A Subgroup-II Acidic Radicals
  1. A one litre flask is full of reddish brown bromine fumes. The intensit...

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  2. Which of the following does not form volatile product with conc. H(2)S...

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  3. Unknown salt 'A'+K(2)Cr(2)O(7)+"conc. "H(2)SO(4) to Reddish brown fume...

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  4. Brown ring test is used to detect

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  5. Violet vapours are not given out when X is/are treated with conc. H(2)...

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  6. H(2)S(2)O(8)+2H(2)O rarr 2H(2)SO(4)+X which of the following statement...

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  7. Which of the following salt form yellowish green gas when treated with...

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  8. Which of the following gives chromyl chloride test?

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  9. Nitrite (NO(2)^(-)) interferes in the 'ring-test' of nitrate (NO(3)^(-...

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  10. Find the sum of number of sigma-bond in A,B and C.

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  11. Choose the incorrect statement:

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  12. The anion which does not produce diatomic gas on treatement with hot a...

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

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

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  15. AgCl dissolves in ammonia solution giving

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

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  17. A solution of a salt in concentrated sulphuric acid H(2)SO(4) acid pro...

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  18. A colouless solution of a compound gives a precipitate with AgNO(3) so...

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  19. When chlorine (Cl(2)) water in excess is added to a salt solution cont...

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  20. An aqueous solution of salt containing an acidic radical X^(-) reacts ...

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