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Which of the following radicals will be ...

Which of the following radicals will be precipitated by passing `H_(2)S` through a conc. HCI solution?

A

Cu

B

Sb

C

Cd

D

As

Text Solution

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The correct Answer is:
A, B, D
Cu, Sb, As gives ppt by passing `H_(2)S` though conc.HCI
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AAKASH SERIES-PRACTICAL CHEMISTRY-LEVEL -II (Lecture Sheet) (EXERCISE-I) (Single or more than one option correct)
  1. Which of the following will give brick red ppt. with Fehling's solutio...

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  2. Compound 'A' (C(10)H(12)O) evolves H(2) gas with Na metal. It reacts w...

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  3. The gas(es) which turn lime water milky is (are)

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  4. Which of the following sulphide(s) is (are) not decomposed with dil. H...

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  5. Which of the following do not give chromyl chloride test?

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  6. Which of the following radicals will be precipitated by passing H(2)S ...

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  7. KCN is used for separating

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  8. Which of the following cations do (does) not give borax bead test?

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  9. The substance(s) which undergo sublimation "is"//"are"

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  10. The evolution of red-brown gas on heating a salt with K(2)Cr(2)O(7) an...

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  11. On reaction with dil. H(2)SO(4) which of the following salts will give...

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  12. A white precipitate is obtained when

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  13. Which of the following mixtures, of ions in solution can be separated ...

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  14. Which of the following ions can be separated by using dil. HCI?

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  15. Which of the following ions can be separated by using NH(4)CI and NH(4...

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  16. The cation which gives a yellow precipitate with potassium chromate is

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  17. In which of the following cases will a violet colouration be observed?

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  18. A white sublimable solid, when boiled with a NaOH solution, give a col...

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  19. Which of the following salts are black in colour?

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  20. Which of the following cations precipitates as their chlorides?

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