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Aqueous solution contains Zn(CH(2)COO)(2...

Aqueous solution contains `Zn(CH_(2)COO)_(2),Cd(CH_(3)COO)_(2) and Cu(CH_(3)COO)_(2)` on passing `H_(2)S` gas, therte is a precipitate of ……. As sulphide

A

`Zn^(2+),Cd^(2+)`

B

`Cu^(2+),Cd^(2+)`

C

`Zn^(2+),Cu^(2+)`

D

`Zn^(2+),Cu^(2+),Cd^(2+)`

Text Solution

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The correct Answer is:
d
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CENGAGE CHEMISTRY ENGLISH-QUALITATIVE INORGANIC SALT ANALYSIS-Ex 8.2
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  9. H(2)S would separate the following in pH lt 7

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  16. CoCI(2) gives blue colour with NH(4)SCN due to formation of

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