Coordination Compounds Question 4
Question 4 - 2024 (01 Feb Shift 2)
Given below are two statements :
Statement (I) : Dimethyl glyoxime forms a sixmembered covalent chelate when treated with $\mathrm{NiCl}{2}$ solution in presence of $\mathrm{NH}{4} \mathrm{OH}$.
Statement (II) : Prussian blue precipitate contains iron both in $(+2)$ and $(+3)$ oxidation states. In the light of the above statements, choose the most appropriate answer from the options given below:
(1) Statement I is false but Statement II is true
(2) Both Statement I and Statement II are true
(3) Both Statement I and Statement II are false
(4) Statement I is true but Statement II is false
Show Answer
Answer (1)
Solution
$\mathrm{Ni}^{2+}+\mathrm{NH}_{4} \mathrm{OH}+\mathrm{dmg} \rightarrow$
2 Five member ring
III II
$\mathrm{Fe}{4}\left[\mathrm{Fe}(\mathrm{CN}){6}\right]_{3}$
Prussian Blue
