Q16. Complete the following reaction sequence. Hi CH3-C-CH₂ (i) CH,MgBr H₁₂O Na metal CH,- Br (A) (B) (C) Ether

3C104 + 2B1+ 3 H₂03CIO3 + 2Bi(OH)3 For the above redox reaction, assign oxidation numbers and use them to identify the element oxidized and the element reduced. name of the element oxidized: name of the element reduced:

Draw the major product of the following reaction. 5 C HBr excess

CH21/23) [Review Topics] [References] Draw structures for the carbonyl electrophile and enolate nucleophile that react to give the aldol or enone below. O . OH O You do not have to consider stereochemistry. Draw the enolate ion in its carbanion form. Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. Separate multiple reactants using the + sign from the drop-down menu. ChemDoodle [F Previous Nex