Practical Chemistry Question 2
Question 2 - 2024 (29 Jan Shift 2)
A reagent which gives brilliant red precipitate with Nickel ions in basic medium is
(1) sodium nitroprusside
(2) neutral $\mathrm{FeCl}_{3}$
(3) meta-dinitrobenzene
(4) dimethyl glyoxime
Show Answer
Answer (4)
Solution
$\mathrm{Ni}^{2+}+2 \mathrm{dmg}^{-} \rightarrow\left[\mathrm{Ni}(\mathrm{dmg})_{2}\right]$
Rosy red/Bright Red precipitate
