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When NH4OH is added to copper sulphate s...

When `NH_4OH` is added to copper sulphate solution, blue colour is obtained due to formation of

A

`[Cu(NH_(3))_(2)]^(2+)`

B

`Cu(OH)_(2)`

C

`[Cu(NH_(3))_(2)]^(2+)`

D

`(NH_(4))_(2)SO_(4)`

Text Solution

Verified by Experts

The correct Answer is:
3

`Cu^(2+)+4NH_(4)OHrarr[Cu(NH_(3))_(4)]^(2+)+4H_(2)O`
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RESONANCE ENGLISH-QUALITATIVE ANALYSIS-INORGANIC CHMISTRY(Qualitative analysis)
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  2. A metal chloride original solution (i.e. O.S) on mixing with K(2)CrO...

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  3. When NH4OH is added to copper sulphate solution, blue colour is obtain...

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  4. When NH(4)Cl is added to a solution of NH(4)OH :

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  8. Nessler's reagent is

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