PRACTICAL CHEMISTRY
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PRACTICAL CHEMISTRY

37334 Addition of solution of oxalate to an aqueous solution of mixture of \(B{a^{ + + }},S{r^{ + + }}\) and \(C{a^{ + + }}\) will precipitate

1 \(C{a^{ + + }}\)
2 \(C{a^{ + + }}\) and \(S{r^{ + + }}\)
3 \(B{a^{ + + }}\) and \(S{r^{ + + }}\)
4 All the three
PRACTICAL CHEMISTRY

37335 Which one among the following pairs of ions cannot be separated by \({H_2}S\) in dilute hydrochloric acid

1 \(B{i^{3 + }},S{n^{4 + }}\)
2 \(A{l^{3 + }},H{g^{2 + }}\)
3 \(Z{n^{2 + }},C{u^{2 + }}\)
4 \(N{i^{2 + }},C{u^{2 + }}\)
PRACTICAL CHEMISTRY

37336 Distinguishing reagent between silver and lead salts is

1 \({H_2}S\) gas
2 Hot dilute \(HCl\) solution
3 \(N{H_4}Cl\) (solid) + \(N{H_4}OH\)solution
4 \(N{H_4}Cl\) (solid) + \({\left( {N{H_4}} \right)_2}C{O_3}\) solution
PRACTICAL CHEMISTRY

37337 Group reagent for the precipitation of group \(II\) basic radicals for the qualitative analysis table is

1 Dil. \(HCl + {H_2}S\)
2 \(N{H_4}Cl\) (solid) + \(N{H_4}OH\) solution +\({H_2}S\)
3 \({\left( {N{H_4}} \right)_2}C{O_3}\) solution
4 None of these
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PRACTICAL CHEMISTRY

37334 Addition of solution of oxalate to an aqueous solution of mixture of \(B{a^{ + + }},S{r^{ + + }}\) and \(C{a^{ + + }}\) will precipitate

1 \(C{a^{ + + }}\)
2 \(C{a^{ + + }}\) and \(S{r^{ + + }}\)
3 \(B{a^{ + + }}\) and \(S{r^{ + + }}\)
4 All the three
PRACTICAL CHEMISTRY

37335 Which one among the following pairs of ions cannot be separated by \({H_2}S\) in dilute hydrochloric acid

1 \(B{i^{3 + }},S{n^{4 + }}\)
2 \(A{l^{3 + }},H{g^{2 + }}\)
3 \(Z{n^{2 + }},C{u^{2 + }}\)
4 \(N{i^{2 + }},C{u^{2 + }}\)
PRACTICAL CHEMISTRY

37336 Distinguishing reagent between silver and lead salts is

1 \({H_2}S\) gas
2 Hot dilute \(HCl\) solution
3 \(N{H_4}Cl\) (solid) + \(N{H_4}OH\)solution
4 \(N{H_4}Cl\) (solid) + \({\left( {N{H_4}} \right)_2}C{O_3}\) solution
PRACTICAL CHEMISTRY

37337 Group reagent for the precipitation of group \(II\) basic radicals for the qualitative analysis table is

1 Dil. \(HCl + {H_2}S\)
2 \(N{H_4}Cl\) (solid) + \(N{H_4}OH\) solution +\({H_2}S\)
3 \({\left( {N{H_4}} \right)_2}C{O_3}\) solution
4 None of these
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PRACTICAL CHEMISTRY

37334 Addition of solution of oxalate to an aqueous solution of mixture of \(B{a^{ + + }},S{r^{ + + }}\) and \(C{a^{ + + }}\) will precipitate

1 \(C{a^{ + + }}\)
2 \(C{a^{ + + }}\) and \(S{r^{ + + }}\)
3 \(B{a^{ + + }}\) and \(S{r^{ + + }}\)
4 All the three
PRACTICAL CHEMISTRY

37335 Which one among the following pairs of ions cannot be separated by \({H_2}S\) in dilute hydrochloric acid

1 \(B{i^{3 + }},S{n^{4 + }}\)
2 \(A{l^{3 + }},H{g^{2 + }}\)
3 \(Z{n^{2 + }},C{u^{2 + }}\)
4 \(N{i^{2 + }},C{u^{2 + }}\)
PRACTICAL CHEMISTRY

37336 Distinguishing reagent between silver and lead salts is

1 \({H_2}S\) gas
2 Hot dilute \(HCl\) solution
3 \(N{H_4}Cl\) (solid) + \(N{H_4}OH\)solution
4 \(N{H_4}Cl\) (solid) + \({\left( {N{H_4}} \right)_2}C{O_3}\) solution
PRACTICAL CHEMISTRY

37337 Group reagent for the precipitation of group \(II\) basic radicals for the qualitative analysis table is

1 Dil. \(HCl + {H_2}S\)
2 \(N{H_4}Cl\) (solid) + \(N{H_4}OH\) solution +\({H_2}S\)
3 \({\left( {N{H_4}} \right)_2}C{O_3}\) solution
4 None of these
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PRACTICAL CHEMISTRY

37334 Addition of solution of oxalate to an aqueous solution of mixture of \(B{a^{ + + }},S{r^{ + + }}\) and \(C{a^{ + + }}\) will precipitate

1 \(C{a^{ + + }}\)
2 \(C{a^{ + + }}\) and \(S{r^{ + + }}\)
3 \(B{a^{ + + }}\) and \(S{r^{ + + }}\)
4 All the three
PRACTICAL CHEMISTRY

37335 Which one among the following pairs of ions cannot be separated by \({H_2}S\) in dilute hydrochloric acid

1 \(B{i^{3 + }},S{n^{4 + }}\)
2 \(A{l^{3 + }},H{g^{2 + }}\)
3 \(Z{n^{2 + }},C{u^{2 + }}\)
4 \(N{i^{2 + }},C{u^{2 + }}\)
PRACTICAL CHEMISTRY

37336 Distinguishing reagent between silver and lead salts is

1 \({H_2}S\) gas
2 Hot dilute \(HCl\) solution
3 \(N{H_4}Cl\) (solid) + \(N{H_4}OH\)solution
4 \(N{H_4}Cl\) (solid) + \({\left( {N{H_4}} \right)_2}C{O_3}\) solution
PRACTICAL CHEMISTRY

37337 Group reagent for the precipitation of group \(II\) basic radicals for the qualitative analysis table is

1 Dil. \(HCl + {H_2}S\)
2 \(N{H_4}Cl\) (solid) + \(N{H_4}OH\) solution +\({H_2}S\)
3 \({\left( {N{H_4}} \right)_2}C{O_3}\) solution
4 None of these