Chemistry
← Back

Science Bowl Question

📅 NSB Round Robin 2018🎓 HS🔄 Round 17#️⃣ Question 12🌟 Bonus📝 Multiple Choice

Copper (II) hydroxide is insoluble in water. However, upon the addition of excess ammonia, it dissolves and changes to a deep blue color. Which of the following statements best explains this observation?

W) The rise in pH solubilized the copper hydroxide
X) The drop in pH solubilized the copper hydroxide
Y) The copper reacted with ammonia, forming a soluble species
Z) The ammonia neutralized the hydroxide, releasing soluble copper (II)
🚀

Take Your Prep to the Next Level

Practice with interactive modes, adaptive testing, and detailed stats on our main app.

Launch Interactive Practice