Addition of aqueous ${N H}_{3}$ to the solution of copper sulphate gives a blue solution due to:

the formation of a complex salt

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the physical change

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the formation of a normal salt

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the formation of a double salt

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Solution

The correct option is B the formation of a complex salt
Aqueous ammonia reacts with copper sulphate to form complex salt that is $[C u (N H_{3})_{4}] S O_{4}$ .
$C u S O_{4} + 4 N H_{3} (a q) \to [C u (N H_{3})_{4}] S O_{4}$
The color of the product is blue color.

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Addition of aqueous NH3 to the solution of copper sulphate gives a blue solution due to:

The correct option is B the formation of a complex saltAqueous ammonia reacts with copper sulphate to form complex salt that is [Cu(NH3)4]SO4.CuSO4+4NH3(aq)→[Cu(NH3)4]SO4The color of the product is blue color.

Addition of aqueous ${N H}_{3}$ to the solution of copper sulphate gives a blue solution due to:

The correct option is B the formation of a complex salt
Aqueous ammonia reacts with copper sulphate to form complex salt that is $[C u (N H_{3})_{4}] S O_{4}$ .
$C u S O_{4} + 4 N H_{3} (a q) \to [C u (N H_{3})_{4}] S O_{4}$
The color of the product is blue color.