MCQ
The pair in which both species have iron is
- ANitrogenase, cytochromes
- BCarboxypeptidase, haemoglobin
- CHaemocyanin, nitrogenase
- ✓Haemoglobin, cytochromes
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.


$(A)\,\,\,\,[Ni(H_2O)_5NH_3]^{2+},$
$(B)\,\,\,\,[Ni(H_2O)_4(NH_3)_2]^{2+}$ and
$(C)\,\,\,\,[Ni(H_2O)_3(NH_3)_3]^{2+}$ is
