Hydrogen Peroxide
CHXI09:HYDROGEN

315593 Which of the following set is having correct statements?
(A) \(\mathrm{\mathrm{H}_{2} \mathrm{O}_{2}}\) is a weak base
(B) \(\mathrm{\mathrm{H}_{2} \mathrm{O}_{2}}\) oxidizes \(\mathrm{\mathrm{Fe}}\) (II) to \(\mathrm{\mathrm{Fe}}\) (III)
(C) \(\mathrm{\mathrm{H}_{2} \mathrm{O}_{2}}\) can be obtained by the electrolysis of conc. \(\mathrm{\mathrm{H}_{2} \mathrm{SO}_{4}}\)
(D) \(\mathrm{\mathrm{H}_{2} \mathrm{O}_{2}}\) reduces \(\mathrm{\mathrm{Mn}(\mathrm{VII})}\) to \(\mathrm{\mathrm{Mn}(\mathrm{II})}\)

1 (A), (B)
2 (A), (B), (C)
3 (A), (B), (C), (D)
4 (B), (C), (D)
CHXI09:HYDROGEN

315594 Consider the reactions
\({{\text{H}}_{\text{2}}}{{\text{O}}_{\text{2}}}{\text{ + 2HI}} \to {{\text{I}}_{\text{2}}}{\text{ + 2}}{{\text{H}}_{\text{2}}}{\text{O}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\text{(i)}}\)
\({\text{HOCl + }}{{\text{H}}_{\text{2}}}{{\text{O}}_{\text{2}}} \to {{\text{H}}_{\text{3}}}{{\text{O}}^{\text{ + }}}{\text{ + C}}{{\text{l}}^{\text{ - }}}{\text{ + }}{{\text{O}}_{\text{2}}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\text{(ii)}}\)
Which of the following statement is correct about \(\mathrm{\mathrm{H}_{2} \mathrm{O}_{2}}\) with reference to these reactions? Hydrogen peroxide acts as

1 An oxidising agent in both (i) and (ii)
2 An oxidising agent in (i) and reducing agent in (ii)
3 A reducing agent in (i) and oxidising agent in (ii)
4 A reducing agent in both (i) and (ii)
CHXI09:HYDROGEN

315595 Moist \(\mathrm{\mathrm{H}_{2} \mathrm{O}_{2}}\) cannot be dried over concentrated \(\mathrm{\mathrm{H}_{2} \mathrm{SO}_{4}}\) because

1 It can catch fire
2 It is reduced by \(\mathrm{\mathrm{H}_{2} \mathrm{SO}_{4}}\)
3 It is oxidized by \(\mathrm{\mathrm{H}_{2} \mathrm{SO}_{4}}\)
4 None of these is true
CHXI09:HYDROGEN

315596 \(\mathrm{\mathrm{H}_{2} \mathrm{O}_{2}}\) cannot oxidise

1 \(\mathrm{\mathrm{Na}_{2} \mathrm{SO}_{3}}\)
2 \(\mathrm{\mathrm{KI}}\)
3 \(\mathrm{\mathrm{PbS}}\)
4 \(\mathrm{\mathrm{O}_{3}}\)
CHXI09:HYDROGEN

315593 Which of the following set is having correct statements?
(A) \(\mathrm{\mathrm{H}_{2} \mathrm{O}_{2}}\) is a weak base
(B) \(\mathrm{\mathrm{H}_{2} \mathrm{O}_{2}}\) oxidizes \(\mathrm{\mathrm{Fe}}\) (II) to \(\mathrm{\mathrm{Fe}}\) (III)
(C) \(\mathrm{\mathrm{H}_{2} \mathrm{O}_{2}}\) can be obtained by the electrolysis of conc. \(\mathrm{\mathrm{H}_{2} \mathrm{SO}_{4}}\)
(D) \(\mathrm{\mathrm{H}_{2} \mathrm{O}_{2}}\) reduces \(\mathrm{\mathrm{Mn}(\mathrm{VII})}\) to \(\mathrm{\mathrm{Mn}(\mathrm{II})}\)

1 (A), (B)
2 (A), (B), (C)
3 (A), (B), (C), (D)
4 (B), (C), (D)
CHXI09:HYDROGEN

315594 Consider the reactions
\({{\text{H}}_{\text{2}}}{{\text{O}}_{\text{2}}}{\text{ + 2HI}} \to {{\text{I}}_{\text{2}}}{\text{ + 2}}{{\text{H}}_{\text{2}}}{\text{O}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\text{(i)}}\)
\({\text{HOCl + }}{{\text{H}}_{\text{2}}}{{\text{O}}_{\text{2}}} \to {{\text{H}}_{\text{3}}}{{\text{O}}^{\text{ + }}}{\text{ + C}}{{\text{l}}^{\text{ - }}}{\text{ + }}{{\text{O}}_{\text{2}}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\text{(ii)}}\)
Which of the following statement is correct about \(\mathrm{\mathrm{H}_{2} \mathrm{O}_{2}}\) with reference to these reactions? Hydrogen peroxide acts as

1 An oxidising agent in both (i) and (ii)
2 An oxidising agent in (i) and reducing agent in (ii)
3 A reducing agent in (i) and oxidising agent in (ii)
4 A reducing agent in both (i) and (ii)
CHXI09:HYDROGEN

315595 Moist \(\mathrm{\mathrm{H}_{2} \mathrm{O}_{2}}\) cannot be dried over concentrated \(\mathrm{\mathrm{H}_{2} \mathrm{SO}_{4}}\) because

1 It can catch fire
2 It is reduced by \(\mathrm{\mathrm{H}_{2} \mathrm{SO}_{4}}\)
3 It is oxidized by \(\mathrm{\mathrm{H}_{2} \mathrm{SO}_{4}}\)
4 None of these is true
CHXI09:HYDROGEN

315596 \(\mathrm{\mathrm{H}_{2} \mathrm{O}_{2}}\) cannot oxidise

1 \(\mathrm{\mathrm{Na}_{2} \mathrm{SO}_{3}}\)
2 \(\mathrm{\mathrm{KI}}\)
3 \(\mathrm{\mathrm{PbS}}\)
4 \(\mathrm{\mathrm{O}_{3}}\)
CHXI09:HYDROGEN

315593 Which of the following set is having correct statements?
(A) \(\mathrm{\mathrm{H}_{2} \mathrm{O}_{2}}\) is a weak base
(B) \(\mathrm{\mathrm{H}_{2} \mathrm{O}_{2}}\) oxidizes \(\mathrm{\mathrm{Fe}}\) (II) to \(\mathrm{\mathrm{Fe}}\) (III)
(C) \(\mathrm{\mathrm{H}_{2} \mathrm{O}_{2}}\) can be obtained by the electrolysis of conc. \(\mathrm{\mathrm{H}_{2} \mathrm{SO}_{4}}\)
(D) \(\mathrm{\mathrm{H}_{2} \mathrm{O}_{2}}\) reduces \(\mathrm{\mathrm{Mn}(\mathrm{VII})}\) to \(\mathrm{\mathrm{Mn}(\mathrm{II})}\)

1 (A), (B)
2 (A), (B), (C)
3 (A), (B), (C), (D)
4 (B), (C), (D)
CHXI09:HYDROGEN

315594 Consider the reactions
\({{\text{H}}_{\text{2}}}{{\text{O}}_{\text{2}}}{\text{ + 2HI}} \to {{\text{I}}_{\text{2}}}{\text{ + 2}}{{\text{H}}_{\text{2}}}{\text{O}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\text{(i)}}\)
\({\text{HOCl + }}{{\text{H}}_{\text{2}}}{{\text{O}}_{\text{2}}} \to {{\text{H}}_{\text{3}}}{{\text{O}}^{\text{ + }}}{\text{ + C}}{{\text{l}}^{\text{ - }}}{\text{ + }}{{\text{O}}_{\text{2}}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\text{(ii)}}\)
Which of the following statement is correct about \(\mathrm{\mathrm{H}_{2} \mathrm{O}_{2}}\) with reference to these reactions? Hydrogen peroxide acts as

1 An oxidising agent in both (i) and (ii)
2 An oxidising agent in (i) and reducing agent in (ii)
3 A reducing agent in (i) and oxidising agent in (ii)
4 A reducing agent in both (i) and (ii)
CHXI09:HYDROGEN

315595 Moist \(\mathrm{\mathrm{H}_{2} \mathrm{O}_{2}}\) cannot be dried over concentrated \(\mathrm{\mathrm{H}_{2} \mathrm{SO}_{4}}\) because

1 It can catch fire
2 It is reduced by \(\mathrm{\mathrm{H}_{2} \mathrm{SO}_{4}}\)
3 It is oxidized by \(\mathrm{\mathrm{H}_{2} \mathrm{SO}_{4}}\)
4 None of these is true
CHXI09:HYDROGEN

315596 \(\mathrm{\mathrm{H}_{2} \mathrm{O}_{2}}\) cannot oxidise

1 \(\mathrm{\mathrm{Na}_{2} \mathrm{SO}_{3}}\)
2 \(\mathrm{\mathrm{KI}}\)
3 \(\mathrm{\mathrm{PbS}}\)
4 \(\mathrm{\mathrm{O}_{3}}\)
CHXI09:HYDROGEN

315593 Which of the following set is having correct statements?
(A) \(\mathrm{\mathrm{H}_{2} \mathrm{O}_{2}}\) is a weak base
(B) \(\mathrm{\mathrm{H}_{2} \mathrm{O}_{2}}\) oxidizes \(\mathrm{\mathrm{Fe}}\) (II) to \(\mathrm{\mathrm{Fe}}\) (III)
(C) \(\mathrm{\mathrm{H}_{2} \mathrm{O}_{2}}\) can be obtained by the electrolysis of conc. \(\mathrm{\mathrm{H}_{2} \mathrm{SO}_{4}}\)
(D) \(\mathrm{\mathrm{H}_{2} \mathrm{O}_{2}}\) reduces \(\mathrm{\mathrm{Mn}(\mathrm{VII})}\) to \(\mathrm{\mathrm{Mn}(\mathrm{II})}\)

1 (A), (B)
2 (A), (B), (C)
3 (A), (B), (C), (D)
4 (B), (C), (D)
CHXI09:HYDROGEN

315594 Consider the reactions
\({{\text{H}}_{\text{2}}}{{\text{O}}_{\text{2}}}{\text{ + 2HI}} \to {{\text{I}}_{\text{2}}}{\text{ + 2}}{{\text{H}}_{\text{2}}}{\text{O}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\text{(i)}}\)
\({\text{HOCl + }}{{\text{H}}_{\text{2}}}{{\text{O}}_{\text{2}}} \to {{\text{H}}_{\text{3}}}{{\text{O}}^{\text{ + }}}{\text{ + C}}{{\text{l}}^{\text{ - }}}{\text{ + }}{{\text{O}}_{\text{2}}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\text{(ii)}}\)
Which of the following statement is correct about \(\mathrm{\mathrm{H}_{2} \mathrm{O}_{2}}\) with reference to these reactions? Hydrogen peroxide acts as

1 An oxidising agent in both (i) and (ii)
2 An oxidising agent in (i) and reducing agent in (ii)
3 A reducing agent in (i) and oxidising agent in (ii)
4 A reducing agent in both (i) and (ii)
CHXI09:HYDROGEN

315595 Moist \(\mathrm{\mathrm{H}_{2} \mathrm{O}_{2}}\) cannot be dried over concentrated \(\mathrm{\mathrm{H}_{2} \mathrm{SO}_{4}}\) because

1 It can catch fire
2 It is reduced by \(\mathrm{\mathrm{H}_{2} \mathrm{SO}_{4}}\)
3 It is oxidized by \(\mathrm{\mathrm{H}_{2} \mathrm{SO}_{4}}\)
4 None of these is true
CHXI09:HYDROGEN

315596 \(\mathrm{\mathrm{H}_{2} \mathrm{O}_{2}}\) cannot oxidise

1 \(\mathrm{\mathrm{Na}_{2} \mathrm{SO}_{3}}\)
2 \(\mathrm{\mathrm{KI}}\)
3 \(\mathrm{\mathrm{PbS}}\)
4 \(\mathrm{\mathrm{O}_{3}}\)