Releted MCQ Question on
Inorganic Chemistry >> Qualitative Analysis
Releted Question 1
The ion that cannot be precipitated by both $$HCl\,{\text{and}}\,{H_2}S$$ is
A.
$$P{b^{2 + }}$$
B.
$$C{u^ + }$$
C.
$$A{g^ + }$$
D.
$$S{n^{2 + }}$$
Releted Question 2
Which one among the following pairs of ions cannot be separated by $${H_2}S$$ in dilute hydrochloric acid?
A.
$$B{i^{3 + }},S{n^{4 + }}$$
B.
$$A{l^{3 + }},H{g^{2 + }}$$
C.
$$Z{n^{2 + }},C{u^{2 + }}$$
D.
$$N{i^{2 + }},C{u^{2 + }}$$
Releted Question 3
An aqueous solution contains $$H{g^{2 + }},Hg_2^{2 + },P{b^{2 + }}\,{\text{and}}\,C{d^{2 + }}.$$
The addition of $$HCl\left( {6N} \right)$$ will precipitate:
A.
$$H{g_2}C{l_2}\,{\text{only}}$$
B.
$$PbC{l_2}\,{\text{only}}$$
C.
$$PbC{l_2}\,{\text{and}}\,H{g_2}C{l_2}$$
D.
$$PbC{l_2}\,{\text{and}}\,HgC{l_2}$$
Releted Question 4
Identify the correct order of solubility of $$N{a_2}S,\,CuS\,{\text{and}}\,ZnS$$ in aqueous medium
A.
$$CuS > ZnS > N{a_2}S$$
B.
$$ZnS > N{a_2}S > CuS$$
C.
$$N{a_2}S > CuS > ZnS$$
D.
$$N{a_2}S > ZnS > CuS$$