Chemistry · Bioinorganic Chemistry
विटामिन B12 (सायनोकोबालामिन) किस धातु आयन का एक समन्वय जटिल (coordination complex) है?
- 1लोहा (Fe)
- 2कोबाल्ट (Co)✓
- 3मैग्नीशियम (Mg)
- 4जस्ता (Zn)
सही उत्तर देखें
कोबाल्ट (Co)
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