Addition of aqueous NH3 to the solution of copper sulphate gives a blue solution due to:
the physical change
the formation of a complex salt
the formation of a normal salt
the formation of a double salt
A
the physical change
B
the formation of a double salt
C
the formation of a normal salt
D
the formation of a complex salt
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Solution
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Aqueous ammonia reacts with copper sulphate to form complex salt that is [Cu(NH3)4]SO4.
CuSO4+4NH3(aq)→[Cu(NH3)4]SO4
The color of the product is blue color.
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