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The compound formed in the borax bead t...

The compound formed in the borax bead test of `Cu^(2+)` 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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RESONANCE ENGLISH-QUALITATIVE ANALYSIS (ANION)-Exercise-2
  1. The compound formed in the borax bead test of Cu^(2+) in oxidising fl...

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  2. A biconvex thin lens is prepared from glass of refractive index mu(2)=...

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  3. Alkali metal salt "X" gives a pale violet colour in flame test "X" is...

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  4. Borax bead is responded generally by :

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  5. Shape of anion A will be :

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  6. Which of the following anions are producing same gas on treatment with...

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  7. Condsider the following reaction , Nitrite+Acetic acid +Thiourea to N(...

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  8. A white sodium salt dissolves in water to give a solution which is neu...

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  9. A salt solution of Cd^(2+) in dilute HCl, on treatment with a solution...

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  10. The gas 'G' will show which of the following properly ?

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

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  12. How many compounds liberate NH(3) on heating from the following ? ...

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  13. How many of following metals impart a characteristic colour to the Bun...

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  14. Find the number of ion which are identified by dil. HCI from the fol...

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  15. Find the total number of acidic radical which produce volatile product...

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  16. NaCl+" Solid" K(2)Cr(2)O(7) + " Conc. H(2)SO(4) to "X" (reddish brown ...

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  17. Fe^(2+)+NO(3)^(-) +H(2)SO(4) ("conc.") to "X" (Brown ring complex) T...

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  18. Name the following anions: (i) CO(3)^(2-) " " (ii)SO(3)^(2-) " ...

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  19. Na(2)SO(3), NaCl, Na(2)C(2)O(4),Na(2)CrO(4),NaNO(2),CH(3)CO(2)Na are s...

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  20. B(3)^(3-)+Conc.H(2)SO(4)+CH(3)-CH(2)-OH overset(ignite)rarr(A) What ...

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