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Which of the following cations is detect...

Which of the following cations is detected by the flame test ?

A

`NH_(4)^(+)`

B

`K^(+)`

C

`Mg^(2+)`

D

`Al^(3+)`

Text Solution

Verified by Experts

The correct Answer is:
B
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MOTION-Salt Analysis-Exercise - 1
  1. At the occasion of marriage , the fire workds are used, which of the f...

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  2. Which of the following cations is detected by the flame test ?

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  3. Which metal salt gives a violet coloured bead in the borax bead test ?

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

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

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  6. Statement-1 : On passing CO(2) gas through lime water, the solution tu...

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  7. A white salt is readily soluble in water and gives a colourless soluti...

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

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

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  10. Which of the following will not give positive chromyl chloride test ?

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

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

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  13. How can the following reaction be made to proceed in forward direction...

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  14. A pale yellow crystalline solid insoluble in water but soluble in CS(2...

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  15. In the precipitation of the iron group in qualitative analysis, ammoni...

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  16. A salt gives violet vapours when treated with conc. H(2)SO(4), it cont...

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  17. A mixture, on heating with conc. H(2)SO(4) and MnO(2) , librates brown...

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

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  19. A metal salt solution gives a yellow ppt with silver nitrates . The pp...

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

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