A) zero
B) 1
C) 2
D) 4
Correct Answer: C
Solution :
Cuprammonium salt is\[[Cu{{(N{{H}_{3}})}_{4}}]S{{O}_{4}}\]. In water it gives two ions,\[{{[Cu{{(N{{H}_{3}})}_{4}}]}^{2+}}\]and\[SO_{4}^{2-}.\]
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