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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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MOTION-Salt Analysis-Exercise - 2 (Level-I)
  1. Which of the following sulphate is insoluble in water ?

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  2. Which of the following metal sulphides has maximum solubility in water...

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  3. The compound formed in the borax bead test of Cu^(2+) ion in oxidising...

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

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

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  6. A green ore (A) of a metal present as a double /mixed compound is trea...

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  7. A green ore (A) of a metal present as a double /mixed compound is trea...

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  8. A green ore (A) of a metal present as a double /mixed compound is trea...

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  9. Three separate samples of a solution of a single salt gave these resul...

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  10. Which one of the following ionic species will impart colour to an aque...

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  11. Which is not dissolved in dil. HCl?

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  12. The only cations present in a slightly acidic solution are Fe^(3+),Zn^...

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  13. Which of the following leaves no residue on heating ?

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  14. A metal X on heating in nitrogen gas gives Y,Y on treatment with H(2)O...

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  15. Which of the following gives blood red colour with KCNS?

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  16. Which of the following is (are) soluble in excess of NaOH ?

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  17. In the borax test of Co^(2+) , the blue colour of bead is due to the f...

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  18. Mercurous ion is represent as

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  19. The metal ion which is precipitated when H(2)S is passed with HCl is

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  20. Read of the following statements and choose the correct code w.r.t. tr...

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