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Among PbS, CuS, HgS, MnS, Ag(2)S, NiS, C...

Among PbS, CuS, HgS, MnS, `Ag_(2)S`, NiS, CoS, `Bi_(2)S_(3)` and `SnS_(2)`, total number of black coloured sulphides is :

A

Four

B

Six

C

Five

D

Three

Text Solution

Verified by Experts

The correct Answer is:
B
`PbS, CuS, HgS, Ag_(2)S, NiS` and CoS are black coloured.
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DINESH PUBLICATION-APPENDICES-Multiple choice
  1. CB(2) layer gives a test for

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  2. Upon treatment with ammoniacal H(2)S solution, the metal ion precipita...

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  3. Match the list I with list II and select the correct answer using the ...

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  4. A yellow turbidity, sometimes appears on passing H(2)S gas ever in the...

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  5. X' is a colourless salt giving following reactions : 'X' can be

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  6. An aqueous solution of a mixture of two inorganic salts when treated w...

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  7. An aqueous solution of a mixture of two inorganic salts when treated w...

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  8. Among PbS, CuS, HgS, MnS, Ag(2)S, NiS, CoS, Bi(2)S(3) and SnS(2), tota...

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  9. The incorrect statement in respect of chromyl chloride test is

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  10. When I(2) is passed through KCl, KF and KBr solution

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  11. Among the following observation, the correct one that differentiates b...

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  12. The pair (s) where both the ions are precipitated upon passing H(2)S g...

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  13. In the presence of dilute HCl, H(2)S results in the precipitation of g...

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  14. Consider the following salts : NaCl, HgCl(2), CuCl(2), CuCl and AgCl...

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  15. The hottest region of Bunsen flame shown in the figure below is :

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  16. compound X is tested and the results are shown in the following table....

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  17. The reagent (s) that can selectively precipitate S^(2-) from a mixture...

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  18. HgCl(2) and I(2) both when dissolved in water containing I^(-)ions, th...

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  19. When BaCl(2) is added to an aqueous salt solution, a while precipitate...

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  20. The correct options (s) to distinguish nitrate salts of Mn^(2+) and Cu...

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