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A light green coloured salt soluble in w...

A light green coloured salt soluble in water gives black percipitate on passing `H_(2)S` which dissolves readily in HCl. The metal ion present is :

A

`Co^(2+)`

B

`Fe^(2+)`

C

`Ni^(2+)`

D

`Ag^(o+)`

Text Solution

Verified by Experts

The correct Answer is:
b
`FeS` is soluble in HCI, Also `Fe^(2+)` salts are green
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CENGAGE CHEMISTRY ENGLISH-QUALITATIVE INORGANIC SALT ANALYSIS-Exercises (Single Correct) Part-C (Analysis Of Cations)
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  2. A compound is soluble in water. If ammonia is added to aqueous solutio...

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  3. A light green coloured salt soluble in water gives black percipitate o...

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  4. All ammonium salts liberate ammonia when :

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  5. Manganese salt + PbO(2) + conc. HNO(2) rarr The solution has purple ...

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  6. An orange precipitate of group II is dissolve in conc HCI the solutio...

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  7. Which of the following solution gives precipitate with Pb(NO(3))(2) bu...

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  8. A white powder when strongly heated gives off brown fumes. A solutio...

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  9. The ion that cannot be precipitate by both HCI and H(2)S is

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  10. The presence of magnesium is confimed in the qualitative analysis by t...

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  11. In qualitative inorganic analysis phosphate , if present, is to be eli...

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  12. Na(2)CO(3) cannot be used in place of (NH(4))(2)CO(3) for the precipit...

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  13. Disodium hydrogen phosphate is used to test :

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  14. Reddish - brown (chocolate ) ppt. is formed with :

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  15. Addition of SnCl(2) to HgCl(2) gives precipitate:

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  16. To avoid the precipitation of hydroxides of Ni^(2+),Co^(2+),Zn^(2+) an...

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  17. Which of the gives a white precipitate with a solution of AgNO(3), a ...

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  18. In qualitative inorganic analysis of basic radicals hydrochloric acid ...

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  19. Addition of solution of oxalate to an aqueous solution of mixture of B...

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  20. The reagent that distinguishes between silver and lead salt is

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