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A colourless salt gives violet colour to...

A colourless salt gives violet colour to Bunsen flame and also turns moist litmus paper blue. It is

A

`Na_(2)CO_(3)`

B

`BaCO_(3)`

C

`Na_(2)CrO_(4)`

D

`K_(2)CO_(3)`

Text Solution

Verified by Experts

The correct Answer is:
D
`K^(+)` ion impart violet colour to the flame
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NARAYNA-QUALITATIVE ANALYSIS-LEVEL-I(H.W)
  1. When copper nitrate is strongly heated, it is converted into

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  2. Which is most soluble in water?

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  3. A colourless salt gives violet colour to Bunsen flame and also turns m...

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  4. Disodium hydrogen phosphate is used to test

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  5. When chlorine water is added to an aqueous solution of potassium halid...

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  6. A substance on treatment with dilute H(2)SO(4) liberates a colourless ...

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  7. A white solid is first heated with dil H(2)SO(4) and then with conc. H...

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  8. Sodium borate on reaction with conc. H2 SO4 and C2 H5 OH gives a compo...

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  9. When K2 Cr2 O7 crystals are heated with conc. HCl, the gas evolved is

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  10. Which of the following gives a suffocating gas when treated with dil. ...

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  11. Brown ring test for nitrates depends on I. the ability of Fe^(2+) to...

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  12. S^(2-) and SO(3)^(2-) can be distinguished by using:

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  13. Which of the following is formed when CO(2) gas is passed through an a...

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  14. In copper turnings test, pieces of copper is added to a nitrate salt a...

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  15. An inorganic salt on reaction with dil. HCl ( or dil H(2)SO(4)) give c...

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  16. Which of the following anions gives blood red colour with neutral FeCl...

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  17. A blue colouration is not obtained when

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  18. AgCl dissolves in ammonia solution giving

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  19. A white crystalline substance dissolves in water. On passing H2 S in t...

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  20. When excess of SnCl2 is added to a solution of HgCl2, a white precipit...

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