Sulphur and Its Compounds
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CHXI11:THE P-BLOCK ELEMENTS

317002 Caro's acid is

1 \(\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{3}\)
2 \(\mathrm{H}_{2} \mathrm{SO}_{5}\)
3 \(\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{8}\)
4 \(\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{7}\)
CHXI11:THE P-BLOCK ELEMENTS

317003 The commercial name for peroxodisulphuric acid is

1 Marshall's acid
2 Caro's acid
3 Sulphuric acid crystals
4 Sulphurous acid
CHXI11:THE P-BLOCK ELEMENTS

317004 Bleaching action of \(\mathrm{SO}_{2}\) is due to its

1 oxidising property
2 acidic property
3 reducing property
4 basic property
CHXI11:THE P-BLOCK ELEMENTS

317005 Two methods of preparation of \(\mathrm{SO}_{2}\) are given below.
I. \({\rm{4Fe}}{{\rm{S}}_{\rm{2}}}{\rm{(s) + 11}}{{\rm{O}}_{\rm{2}}}{\rm{(g)}} \to {\rm{2F}}{{\rm{e}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}{\rm{(s) + 8S}}{{\rm{O}}_{\rm{2}}}{\rm{(g)}}\)
II. \({\rm{SO}}_{\rm{3}}^{{\rm{2 - }}}{\rm{(aq) + 2}}{{\rm{H}}^{\rm{ + }}}{\rm{(aq)}} \to {{\rm{H}}_{\rm{2}}}{\rm{O(l) + S}}{{\rm{O}}_{\rm{2}}}{\rm{(g)}}\)
Categorise these reactions into laboratory method and industrial method of preparing \(\mathrm{SO}_{2}\) with the help of options given below:

1 I - industrial; II - laboratory
2 I - industrial; II - industrial
3 I - laboratory; II - industrial
4 I - laboratory; II - laboratory
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CHXI11:THE P-BLOCK ELEMENTS

317002 Caro's acid is

1 \(\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{3}\)
2 \(\mathrm{H}_{2} \mathrm{SO}_{5}\)
3 \(\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{8}\)
4 \(\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{7}\)
CHXI11:THE P-BLOCK ELEMENTS

317003 The commercial name for peroxodisulphuric acid is

1 Marshall's acid
2 Caro's acid
3 Sulphuric acid crystals
4 Sulphurous acid
CHXI11:THE P-BLOCK ELEMENTS

317004 Bleaching action of \(\mathrm{SO}_{2}\) is due to its

1 oxidising property
2 acidic property
3 reducing property
4 basic property
CHXI11:THE P-BLOCK ELEMENTS

317005 Two methods of preparation of \(\mathrm{SO}_{2}\) are given below.
I. \({\rm{4Fe}}{{\rm{S}}_{\rm{2}}}{\rm{(s) + 11}}{{\rm{O}}_{\rm{2}}}{\rm{(g)}} \to {\rm{2F}}{{\rm{e}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}{\rm{(s) + 8S}}{{\rm{O}}_{\rm{2}}}{\rm{(g)}}\)
II. \({\rm{SO}}_{\rm{3}}^{{\rm{2 - }}}{\rm{(aq) + 2}}{{\rm{H}}^{\rm{ + }}}{\rm{(aq)}} \to {{\rm{H}}_{\rm{2}}}{\rm{O(l) + S}}{{\rm{O}}_{\rm{2}}}{\rm{(g)}}\)
Categorise these reactions into laboratory method and industrial method of preparing \(\mathrm{SO}_{2}\) with the help of options given below:

1 I - industrial; II - laboratory
2 I - industrial; II - industrial
3 I - laboratory; II - industrial
4 I - laboratory; II - laboratory
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CHXI11:THE P-BLOCK ELEMENTS

317002 Caro's acid is

1 \(\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{3}\)
2 \(\mathrm{H}_{2} \mathrm{SO}_{5}\)
3 \(\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{8}\)
4 \(\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{7}\)
CHXI11:THE P-BLOCK ELEMENTS

317003 The commercial name for peroxodisulphuric acid is

1 Marshall's acid
2 Caro's acid
3 Sulphuric acid crystals
4 Sulphurous acid
CHXI11:THE P-BLOCK ELEMENTS

317004 Bleaching action of \(\mathrm{SO}_{2}\) is due to its

1 oxidising property
2 acidic property
3 reducing property
4 basic property
CHXI11:THE P-BLOCK ELEMENTS

317005 Two methods of preparation of \(\mathrm{SO}_{2}\) are given below.
I. \({\rm{4Fe}}{{\rm{S}}_{\rm{2}}}{\rm{(s) + 11}}{{\rm{O}}_{\rm{2}}}{\rm{(g)}} \to {\rm{2F}}{{\rm{e}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}{\rm{(s) + 8S}}{{\rm{O}}_{\rm{2}}}{\rm{(g)}}\)
II. \({\rm{SO}}_{\rm{3}}^{{\rm{2 - }}}{\rm{(aq) + 2}}{{\rm{H}}^{\rm{ + }}}{\rm{(aq)}} \to {{\rm{H}}_{\rm{2}}}{\rm{O(l) + S}}{{\rm{O}}_{\rm{2}}}{\rm{(g)}}\)
Categorise these reactions into laboratory method and industrial method of preparing \(\mathrm{SO}_{2}\) with the help of options given below:

1 I - industrial; II - laboratory
2 I - industrial; II - industrial
3 I - laboratory; II - industrial
4 I - laboratory; II - laboratory
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CHXI11:THE P-BLOCK ELEMENTS

317002 Caro's acid is

1 \(\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{3}\)
2 \(\mathrm{H}_{2} \mathrm{SO}_{5}\)
3 \(\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{8}\)
4 \(\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{7}\)
CHXI11:THE P-BLOCK ELEMENTS

317003 The commercial name for peroxodisulphuric acid is

1 Marshall's acid
2 Caro's acid
3 Sulphuric acid crystals
4 Sulphurous acid
CHXI11:THE P-BLOCK ELEMENTS

317004 Bleaching action of \(\mathrm{SO}_{2}\) is due to its

1 oxidising property
2 acidic property
3 reducing property
4 basic property
CHXI11:THE P-BLOCK ELEMENTS

317005 Two methods of preparation of \(\mathrm{SO}_{2}\) are given below.
I. \({\rm{4Fe}}{{\rm{S}}_{\rm{2}}}{\rm{(s) + 11}}{{\rm{O}}_{\rm{2}}}{\rm{(g)}} \to {\rm{2F}}{{\rm{e}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}{\rm{(s) + 8S}}{{\rm{O}}_{\rm{2}}}{\rm{(g)}}\)
II. \({\rm{SO}}_{\rm{3}}^{{\rm{2 - }}}{\rm{(aq) + 2}}{{\rm{H}}^{\rm{ + }}}{\rm{(aq)}} \to {{\rm{H}}_{\rm{2}}}{\rm{O(l) + S}}{{\rm{O}}_{\rm{2}}}{\rm{(g)}}\)
Categorise these reactions into laboratory method and industrial method of preparing \(\mathrm{SO}_{2}\) with the help of options given below:

1 I - industrial; II - laboratory
2 I - industrial; II - industrial
3 I - laboratory; II - industrial
4 I - laboratory; II - laboratory
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