MCQ
Vitamin $B_6$ is known as
- ✓Pyridoxin
- BThiamine
- CTocopherol
- DRiboflavin
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$(i)$ $Co^{3+}$ (Octahedral complex with a strong field ligand)
$(ii)$ $Co^{3+}$ (Octahedral complex with a weak field ligand like $F^-$ )
$(iii)$ $Co^{2+}$ (Tetrahedral complex)
$(iv)$ $Co^{2+}$ (Square planar complex)

$(I)$ $RCOCl$
$(II)$ $RCOOR$
$(III)$ $RCON{H_2}$
$(IV)$ ${(RCO)_2}O$