A) In acidic solution, hydration protects \[C{{u}^{2+}}\] ion
B) In acidic solution, proton coordinates with ammonia molecules to from \[NH_{4}^{+}\] ions and \[N{{H}_{3}}\] Molecules are not available
C) In alkaline solution, insoluble \[Cu{{\left( OH \right)}_{2}}\] is precipitated which is soluble in excess of any alkali.
D) Copper hydroxide is an amphoteric substance.
Correct Answer: B
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