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Which of the following statements are correct? (i) Hydrogen peroxide is industrially prepared by the auto-oxidation of 2-alkyl anthraquinones

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Which of the following statements are correct?

(i) Hydrogen peroxide is industrially prepared by the auto-oxidation of 2-alkyl anthraquinones

(ii) One millilitre of 30% H2O2 means that solution will give 100 V of oxygen at STP

(iii) Dihedral angle of H2O2 in gas phase is 90.2° and in solid phase dihedral angle is 111.5°

(a) (i), (ii), and (iii)

(b) (i) and (iii)

(c) (ii) and (iii)

(d) (i) and (ii)

1 Answer
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Correct answer: (d) (i) and (ii)

Explanation:

Dihedral angle of H2O2 in gas phase is 111.5° and in solid phase it is 90.2°

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