સૂચી $-I$ સાથે સૂચી $-II$ ને જોડો :

સૂચી $-I$ (ધનઆયનો) સૂચી $-II$(સમૂહ પ્રક્રિયકો)

$P \rightarrow Pb ^{2+}, Cu ^{2+}$ $(i)$ $H _2 S$ gas in presence of dilute $HCl$

$Q \rightarrow Al ^{3+}, Fe ^{3+}$ $(ii)$ $\left( NH _4\right)_2 CO _3$ in presence of $NH _4 OH$

$R \rightarrow Co ^{2+}, Ni ^{2+}$ $(iii)$ $NH _4 OH$ in presence of $NH _4 CI$

$S \rightarrow Ba ^{2+}, Ca ^{2+}$ $(iv)$ $H _2 S$ in presence of $NH _4 OH$

Question

સૂચી $-I$ સાથે સૂચી $-II$ ને જોડો :

સૂચી $-I$ (ધનઆયનો)	સૂચી $-II$(સમૂહ પ્રક્રિયકો)
$P \rightarrow Pb ^{2+}, Cu ^{2+}$	$(i)$ $H _2 S$ gas in presence of dilute $HCl$
$Q \rightarrow Al ^{3+}, Fe ^{3+}$	$(ii)$ $\left( NH _4\right)_2 CO _3$ in presence of $NH _4 OH$
$R \rightarrow Co ^{2+}, Ni ^{2+}$	$(iii)$ $NH _4 OH$ in presence of $NH _4 CI$
$S \rightarrow Ba ^{2+}, Ca ^{2+}$	$(iv)$ $H _2 S$ in presence of $NH _4 OH$

JEE MAIN 2023, Medium

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Solution

d

Cations	Group No.	Group reagent
$Pb ^{+2}, Cu ^{+2}$	$II$	$H _2 S ( g )$ in presence of dil.$HCl$
$Al ^{+3}, Fe ^{+3}$	$III$	$NH _4 OH$ in presence of $NH _4 Cl$
$CO ^{+2}, Ni ^{+2}$	$IV$	$H _2 S$ in presence of $NH _4 OH$
$Ba ^{+2}, Ca ^{+2}$	$V$	$\left( NH _4\right)_2 CO _3$ in presence of $NH _4 OH$

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