Other questions in this quiz

2. What is the colour of [Cu(H20)6]2+?

  • Pale green
  • Pale blue
  • Pink

3. What is formed when a little OH- is added to [Cu(H20)6]2+?

  • [Cu(H20)6}2+
  • Cu(H20)6(OH)2
  • [Cu(OH)6]4-

4. What is formed when an excess of NH3 is added to [Fe(H20)6]2+?

  • Fe(NH3)4(OH)2
  • Fe(H20)4(OH)2
  • [Fe(NH3)6]2+

5. What is formed when (CO3)2- is added to [Co(H20)6]2+?

  • Co(H20)4(CO3)2
  • CoCO3
  • CoCO2
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