C3H8->CH3CHBrCH3->C3H6->CH6CHOHCH3 помогите с уравнениями реакций

CH3-CH2-CH3 + Br2 = CH3-CHBr-CH3 + HBrCH3-CHBr-CH3 + KOH = CH3-CH=CH2 + KBr + H2OCH3-CH=CH2 + H2O = CH3-CHOH-CH3