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Which does not give borax bead test?...

Which does not give borax bead test?

A

`Cr^(3+)`

B

`Cu^(2+)`

C

`Mn^(2+)`

D

`Zn^(2+)`

Text Solution

Verified by Experts

The correct Answer is:
D
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RESONANCE-QUALITATIVE ANALYSIS (ANION)-Exercise-1
  1. Metal (M) shows crimson red colour in flame test and its halide is del...

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  2. In Borax bead test, metal oxides react with B(2)O(3) and form a colour...

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  3. Which does not give borax bead test?

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  4. In the Borax bead test of Co^(2+), the blue colour of bead is due to t...

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  5. A salt gives white residue in charcoal cavity test but in cobalt nitra...

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  6. Which of the following anions are identified by dil. HCl :

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  7. Two inorganic compounds A and B were heated in a dry test tube. A evol...

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  8. If addition of conc. H(2)SO(4) is made to an unknown salt, a colourles...

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  9. A gas turns lime water milky and acidified K(2)Cr(2)O(7) solution gree...

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  10. A gas has smell like rotten egg and turns lead acetate paper black. Th...

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  11. Anion (X^(2-)) is :

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

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  13. Sulphide ion reacts with [Fe(CN)(5)NO] to form a purple coloured compo...

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  14. Which of the following pair of anions are identified by conc. H(2)SO(4...

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  15. Which of the following anion behaves in a different manner than other ...

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  16. Which of the following reagents turns white precipitate of AgCl yellow...

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  17. A Unknown salt (S) when heated with dil H(2)SO(4) does not evolve brow...

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

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  19. AgCl dissolves in ammonia solution giving

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  20. A mixture upon along adding conc. H(2)SO(4) gives deep red fumes. It m...

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