Which of the following has primary valency "2"?
- A[Co(NH₃)₅Cl]Cl
- B[Co(NH₃)₄Cl₂]Cl
- C[Co(NH₃)₃Cl₃]
- D[Co(H₂O)₄Cl₂]Cl
✓ Correct answer: A
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Question ID #432625 · NewNcert