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Coordination Compounds — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistryCoordination Compounds1 Mark
MCQ
Copper sulphate dissolves in ammonia due to the formation of:
  • A
    Cu2​O
  • B
    [Cu(NH3​)4​]SO4​
  • C
    [Cu(NH3​)4​]OH
  • D
    [Cu(H2​O)4​]SO4​
✓

Answer

  1. [Cu(NH3​)4​]SO4​

Explanation:

Copper sulphate dissolves in ammonia due to the formation of [Cu(NH3​)4​]SO4​.

CuSO4 + 4NH3 ​→ [Cu(NH3​)4​]SO4​

[Cu(NH3​)4​]SO4​ contains complex cation [Cu(NH3​)4​]2+.

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