08. REDOX REACTIONS
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Redox Reactions

18645 The ultimate products of oxidation of most of hydrogen and carbon in food stuffs are

1 \({H_2}O\) alone
2 \(C{O_2}\) alone
3 \({H_2}O\) and \(C{O_2}\)
4 None of these
Redox Reactions

18646 When \(P\) reacts with caustic soda, the products are \(P{H_3}\) and \(Na{H_2}P{O_2}.\) This reaction is an example of

1 Oxidation
2 Reduction
3 Oxidation and reduction (Redox)
4 Neutralization
Redox Reactions

18647 Which one of the following does not get oxidised by bromine water

1 \(F{e^{ + 2}}\) to \(F{e^{ + 3}}\)
2 \(C{u^ + }\) to \(C{u^{ + 2}}\)
3 \(M{n^{ + 2}}\) to \(MnO_4^ - \)
4 \(S{n^{ + 2}}\) to \(S{n^{ + 4}}\)
Redox Reactions

18648 In the reaction \({H_2}S + N{O_2} \to {H_2}O + NO + S \) , \({H_2}S\) is

1 Oxidised
2 Reduced
3 Precipitated
4 None of these
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Redox Reactions

18645 The ultimate products of oxidation of most of hydrogen and carbon in food stuffs are

1 \({H_2}O\) alone
2 \(C{O_2}\) alone
3 \({H_2}O\) and \(C{O_2}\)
4 None of these
Redox Reactions

18646 When \(P\) reacts with caustic soda, the products are \(P{H_3}\) and \(Na{H_2}P{O_2}.\) This reaction is an example of

1 Oxidation
2 Reduction
3 Oxidation and reduction (Redox)
4 Neutralization
Redox Reactions

18647 Which one of the following does not get oxidised by bromine water

1 \(F{e^{ + 2}}\) to \(F{e^{ + 3}}\)
2 \(C{u^ + }\) to \(C{u^{ + 2}}\)
3 \(M{n^{ + 2}}\) to \(MnO_4^ - \)
4 \(S{n^{ + 2}}\) to \(S{n^{ + 4}}\)
Redox Reactions

18648 In the reaction \({H_2}S + N{O_2} \to {H_2}O + NO + S \) , \({H_2}S\) is

1 Oxidised
2 Reduced
3 Precipitated
4 None of these
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Redox Reactions

18645 The ultimate products of oxidation of most of hydrogen and carbon in food stuffs are

1 \({H_2}O\) alone
2 \(C{O_2}\) alone
3 \({H_2}O\) and \(C{O_2}\)
4 None of these
Redox Reactions

18646 When \(P\) reacts with caustic soda, the products are \(P{H_3}\) and \(Na{H_2}P{O_2}.\) This reaction is an example of

1 Oxidation
2 Reduction
3 Oxidation and reduction (Redox)
4 Neutralization
Redox Reactions

18647 Which one of the following does not get oxidised by bromine water

1 \(F{e^{ + 2}}\) to \(F{e^{ + 3}}\)
2 \(C{u^ + }\) to \(C{u^{ + 2}}\)
3 \(M{n^{ + 2}}\) to \(MnO_4^ - \)
4 \(S{n^{ + 2}}\) to \(S{n^{ + 4}}\)
Redox Reactions

18648 In the reaction \({H_2}S + N{O_2} \to {H_2}O + NO + S \) , \({H_2}S\) is

1 Oxidised
2 Reduced
3 Precipitated
4 None of these
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Redox Reactions

18645 The ultimate products of oxidation of most of hydrogen and carbon in food stuffs are

1 \({H_2}O\) alone
2 \(C{O_2}\) alone
3 \({H_2}O\) and \(C{O_2}\)
4 None of these
Redox Reactions

18646 When \(P\) reacts with caustic soda, the products are \(P{H_3}\) and \(Na{H_2}P{O_2}.\) This reaction is an example of

1 Oxidation
2 Reduction
3 Oxidation and reduction (Redox)
4 Neutralization
Redox Reactions

18647 Which one of the following does not get oxidised by bromine water

1 \(F{e^{ + 2}}\) to \(F{e^{ + 3}}\)
2 \(C{u^ + }\) to \(C{u^{ + 2}}\)
3 \(M{n^{ + 2}}\) to \(MnO_4^ - \)
4 \(S{n^{ + 2}}\) to \(S{n^{ + 4}}\)
Redox Reactions

18648 In the reaction \({H_2}S + N{O_2} \to {H_2}O + NO + S \) , \({H_2}S\) is

1 Oxidised
2 Reduced
3 Precipitated
4 None of these
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