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Chemistry
Chemistry
Problem
Which of the following pairs of cations cannot be separated by using an
N
H
3
NH_3
N
H
3
solution ? a.
P
b
2
+
Pb^{2+}
P
b
2
+
,
Z
n
2
+
Zn^{2+}
Z
n
2
+
b.
P
b
2
+
Pb^{2+}
P
b
2
+
,
C
u
2
+
Cu^{2+}
C
u
2
+
c.
Z
n
2
+
Zn^{2+}
Z
n
2
+
,
C
u
2
+
Cu^{2+}
C
u
2
+
d.
A
l
3
+
Al^{3+}
A
l
3
+
,
A
g
+
Ag^+
A
g
+
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