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When a mixture of solid NaCl, solid K(2)...

When a mixture of solid NaCl, solid `K_(2)Cr_(2)O_(7)` is heated with conc. `H_(2)SO_(4)` orange red vapours are obtained. These are of the compound

A

chromous chloride

B

chromyl chloride

C

chromic chloride

D

chromic sulphate

Text Solution

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The correct Answer is:
B
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When a mixture of solid NaCl and solid K_(2)Cr_(2)O_(7) is heated with concentrated H_(2)SO_(4) deep red vapours are obtained.This is due to the formation of:

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RESONANCE-QUALITATIVE ANALYSIS (ANION)-Exercise-1
  1. A gas turns lime water milky and acidified K(2)Cr(2)O(7) solution gree...

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  2. A gas has smell like rotten egg and turns lead acetate paper black. Th...

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

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  4. The acidic solution of a salt produced a deep blue colour with starch ...

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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 Unknown salt (S) when heated with dil H(2)SO(4) does not evolve brow...

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

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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 produced a deep blue colour with starch ...

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

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

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  16. Nitrate is confirmed by ring test. The brown colour of the ring is du...

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  17. When a mixture containing phosphate is heated with conc. HNO(3) and am...

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

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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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