A) 1
B) 2
C) 4
D) zero
Correct Answer: B
Solution :
\[Cuprammonium\text{ }salt\,\,\left[ Cu{{\left( N{{H}_{3}} \right)}_{4}} \right]S{{O}_{4}}\] \[\left[ Cu{{\left( N{{H}_{3}} \right)}_{4}} \right]S{{O}_{4}} \rightleftharpoons {{\left[ Cu{{\left( N{{H}_{3}} \right)}_{4}} \right]}^{2+}}+S{{O}_{4}}^{2-}\] So, it will give two ions in water.
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