Select the incorrect statement - Vidyadip

MCQ

Select the incorrect statement

A
$EDTA$ is flexidented ligand and it is used to remove lead poison presence in human body
✓
During the extraction of $Ag$ from cyanide process $Zn-$ melt act as a oxidising agent
C
Blue vitriol absorb orange red colour energy
D
$[Co(en)_3]^{+3}$ form racemic mixture

✓

Answer

Correct option: B.

During the extraction of $Ag$ from cyanide process $Zn-$ melt act as a oxidising agent

b
${\text{Na}}\left[ {{\text{Ag}}{{({\text{CN}})}_2}} \right] + \mathop {{\text{Zn}}}\limits^0 \to {\text{N}}{{\text{a}}_2}\mathop {\left[ {{\text{Zn}}{{({\text{CN}})}_4}} \right]}\limits^{ + 2\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} + {\text{Ag}} \downarrow $

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