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Potassium chromate solution is added to ...

Potassium chromate solution is added to an aqueous solution of a metal chloride. The yellow precipitate thus obtained is insoluble in acetic acid. The precipitate is subjected to flame test, the colour of the flame is :

A

lilac

B

apple green

C

crimson red

D

brick red

Text Solution

Verified by Experts

The correct Answer is:
B
`K_(2)CrO_(4)+BaCI_(2) rarr 2KCI +BaCrO_(4)darr` (Yellow ppt)
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GRB PUBLICATION-SALT ANALYSIS-E.Precipitation/Redox Reacttions
  1. A metal salt solution gives a yellow precipitate with silver nitrate. ...

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  2. Potassium chromate solution is added to an aqueous solution of a metal...

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  3. A mixture of two salts is not water soluble but dissolves completely i...

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  4. What colour of ppt is formed when KHCO(3) reacts with excess AgNO(3), ...

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  5. {:(underset("Yellow ppt")((C))overset(Hg(2)(NO(3))(2))larrunderset(("s...

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  6. Comment True (T) or False (F) for the following statements: (P) Same...

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  7. A sodium salt on treatment with MgCl(2) gives white precipitate only o...

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  8. In K(2)Cr(2)O(7) solution when alkali solution of BaCI(2) is added, th...

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  9. The colour of KMnO(4)//H^(o+) will be decolourised by:

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  10. Na(2)SO(3) and Na(2)S(2)O(3)cannot be distingusihed by:

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  11. BaCO(3)(s)+AcOH overset(Na(2)C(2)O(4) "solution")underset(Delta)rarr? ...

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  12. Which of the following is/are reduced by thiosulphate solution? (P)...

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  13. H(2)S is passed into BaCI(2) solution. The ppt. formed is:

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  14. Which of the following acid radical does not produce white ppt. with P...

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  15. Which is not easily precipitated from aqueous solution?

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  16. When K(2)Cr(2)O(7) is treated with H(2)O(2) in acidic medium, in prese...

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  17. Aqueous solution of A+AcOH +K(2)CrO(4) rarr yellow ppt. The above info...

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  18. When the soda extract containing thiosulphate ion is treated with exce...

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  19. Identify the correct statement:

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  20. Anion which is protonated by dil H(2)SO(4) but produce volatile produc...

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