Other questions in this quiz

2. Metal aqua ions are blue solutions

  • Fe3+,Cu2+, Cr3+
  • Fe3+, Ni2+, Cr3+
  • Fe2+, Ni2+, Cr3+
  • Fe2+,Cu2+, Cr3+

3. solutions with excess NH3

  • Cu2+,Cr3+,Ni2+,ZN2+
  • Cu2+,Fe2+,Cr3+,Ni2+,ZN2+
  • Cu2+,Cr3+,Ni2+

4. Mn(H2O)4(OH)2

  • Brown precipitate
  • White precipitate
  • Green precipitate
  • Blue precipitate

5. [Fe(H2O)6]3+ +excess NH3

  • Green precipitate
  • Brown precipitate
  • Brown solution
  • Green solution

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