$S = \frac{{1.0 \times {{10}^{ - 16}}}}{{{{10}^{ - 4}}}} = 1 \times {10^{ - 12}}\frac{{mo{l^2}}}{{{l^2}}}$
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 $NH _4 OH$ |