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Chemistry
Chemistry
Problem
Find number of basic radicals among the following cations, which can form soluble complex on adding excess of
NH
3
\text{NH}_3
NH
3
solution :
Cd
2
+
\text{Cd}^{2+}
Cd
2
+
(aq.),
Pb
2
+
\text{Pb}^{2+}
Pb
2
+
(aq.),
Ni
2
+
\text{Ni}^{2+}
Ni
2
+
(aq.),
Mn
2
+
\text{Mn}^{2+}
Mn
2
+
(aq.),
Zn
2
+
\text{Zn}^{2+}
Zn
2
+
(aq.),
Ag
+
\text{Ag}^+
Ag
+
(aq.),
Hg
2
+
\text{Hg}^{2+}
Hg
2
+
(aq.),
Fe
3
+
\text{Fe}^{3+}
Fe
3
+
(aq.),
Mg
2
+
\text{Mg}^{2+}
Mg
2
+
(aq.)
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