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The compound formed in the borax bead te...

The compound formed in the borax bead test of `Cu^(2+)` ion in oxidising flame is

A

Cu

B

`CuBO_(2)`

C

`Cu(BO_(2))_(2)`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
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NARAYNA-QUALITATIVE ANALYSIS-LEVEL -III
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  3. The compound formed in the borax bead test of Cu^(2+) ion in oxidising...

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  4. A gas X is passed through water to form a saturated solution. The aque...

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  5. An aqueous solution of a substance gives a white percipitate on treatm...

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  6. Identify the correct order of solubility of Na(2)S,CuS and ZnS in aque...

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  7. When H(2)S gas is passed thorugh the HCl containing aqueous solution o...

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  8. Mark the correct statement

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

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  10. PbCrO(4) is yellow in colour due to

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  11. PbCl(2) is added with 'X' as a result an yellow coloured precipitate '...

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  12. Which of the following can be used to precipitated lead salt

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  13. When cupric sulphate solution is added with 'X' it produced a deep blu...

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  15. Which of the following is used to oxidise Fe^(+2) to Fe^(+3) in III gr...

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  16. On addition of aqueous NaOH to a salt solution, a white gelatinous pre...

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  18. Ferric ion forms a Prussian blue coloured precipitate due to fromation...

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  19. Out of Cu^(2+),Ni^(2+),Co^(2+) and Mn^(2+) those dissolved in dil. HCL...

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  20. In the brown ring test, the brown colour of the ring is due to

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