PRACTICAL CHEMISTRY
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PRACTICAL CHEMISTRY

37490 If we use phenolphthalein as an indicator in a titration of \(N{a_2}C{O_3}\) with \(HCl,\) the usual result is

1 No visible change will occur
2 The indicator reacts with the acid
3 The indicator reacts with the base
4 Sodium chloride and carbonic acid will be formed
PRACTICAL CHEMISTRY

37491 Methyl orange gives red colour in

1 Sodium carbonate solution
2 Sodium chloride solution
3 Hydrochloric acid solution
4 Potassium hydroxide solution
PRACTICAL CHEMISTRY

37492 A \(0.1\, N\) solution of \(N{a_2}C{O_3}\) is titrated with \(0.1\, N\) \(HCl\) solution. The best indicator to be used is

1 Potassium ferricyanide
2 Phenolphthalein
3 Methyl red
4 Litmus paper
PRACTICAL CHEMISTRY

37493 When \(KMn{O_4}\) solution is titrated with a solution containing \(F{e^{2 + }}\) ion, the indicator used in this titration is

1 Phenolphthalein
2 Methyl orange
3 \({K_3}\left[ {Fe{{\left( {CN} \right)}_6}} \right]\)
4 None of these
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PRACTICAL CHEMISTRY

37490 If we use phenolphthalein as an indicator in a titration of \(N{a_2}C{O_3}\) with \(HCl,\) the usual result is

1 No visible change will occur
2 The indicator reacts with the acid
3 The indicator reacts with the base
4 Sodium chloride and carbonic acid will be formed
PRACTICAL CHEMISTRY

37491 Methyl orange gives red colour in

1 Sodium carbonate solution
2 Sodium chloride solution
3 Hydrochloric acid solution
4 Potassium hydroxide solution
PRACTICAL CHEMISTRY

37492 A \(0.1\, N\) solution of \(N{a_2}C{O_3}\) is titrated with \(0.1\, N\) \(HCl\) solution. The best indicator to be used is

1 Potassium ferricyanide
2 Phenolphthalein
3 Methyl red
4 Litmus paper
PRACTICAL CHEMISTRY

37493 When \(KMn{O_4}\) solution is titrated with a solution containing \(F{e^{2 + }}\) ion, the indicator used in this titration is

1 Phenolphthalein
2 Methyl orange
3 \({K_3}\left[ {Fe{{\left( {CN} \right)}_6}} \right]\)
4 None of these
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PRACTICAL CHEMISTRY

37490 If we use phenolphthalein as an indicator in a titration of \(N{a_2}C{O_3}\) with \(HCl,\) the usual result is

1 No visible change will occur
2 The indicator reacts with the acid
3 The indicator reacts with the base
4 Sodium chloride and carbonic acid will be formed
PRACTICAL CHEMISTRY

37491 Methyl orange gives red colour in

1 Sodium carbonate solution
2 Sodium chloride solution
3 Hydrochloric acid solution
4 Potassium hydroxide solution
PRACTICAL CHEMISTRY

37492 A \(0.1\, N\) solution of \(N{a_2}C{O_3}\) is titrated with \(0.1\, N\) \(HCl\) solution. The best indicator to be used is

1 Potassium ferricyanide
2 Phenolphthalein
3 Methyl red
4 Litmus paper
PRACTICAL CHEMISTRY

37493 When \(KMn{O_4}\) solution is titrated with a solution containing \(F{e^{2 + }}\) ion, the indicator used in this titration is

1 Phenolphthalein
2 Methyl orange
3 \({K_3}\left[ {Fe{{\left( {CN} \right)}_6}} \right]\)
4 None of these
NEET DIGITAL LIBRARY
PRACTICAL CHEMISTRY

37490 If we use phenolphthalein as an indicator in a titration of \(N{a_2}C{O_3}\) with \(HCl,\) the usual result is

1 No visible change will occur
2 The indicator reacts with the acid
3 The indicator reacts with the base
4 Sodium chloride and carbonic acid will be formed
PRACTICAL CHEMISTRY

37491 Methyl orange gives red colour in

1 Sodium carbonate solution
2 Sodium chloride solution
3 Hydrochloric acid solution
4 Potassium hydroxide solution
PRACTICAL CHEMISTRY

37492 A \(0.1\, N\) solution of \(N{a_2}C{O_3}\) is titrated with \(0.1\, N\) \(HCl\) solution. The best indicator to be used is

1 Potassium ferricyanide
2 Phenolphthalein
3 Methyl red
4 Litmus paper
PRACTICAL CHEMISTRY

37493 When \(KMn{O_4}\) solution is titrated with a solution containing \(F{e^{2 + }}\) ion, the indicator used in this titration is

1 Phenolphthalein
2 Methyl orange
3 \({K_3}\left[ {Fe{{\left( {CN} \right)}_6}} \right]\)
4 None of these
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