Which of the following statements are correct? (i) Hydrogen peroxide is industrially prepared by the auto-oxidation of 2-alkyl anthraquinols (ii) One millilitre of 30% \[{{H}_{2}}{{O}_{2}}\] means that solution will give 100 V of oxygen at STP (iii) Dihedral angle of \[{{H}_{2}}{{O}_{2}}\] in gas phase is \[90.2{}^\circ \] and in solid phase dihedral angle is \[111.5{}^\circ \]

• A. (i), (ii) and (iii)   
• B. (i) and (iii)
• C. (ii) and (iii)        
• D. (i) and (ii)