Paper 1 May/June 2013 CHEMISTRY (9701/11) IGCSE
X is a non-cyclic ketone with a single carbonyl group and no other functional groups. Ketone X has the following properties.
- When ketone X is treated with NaBH$_4$, the organic product has a M$_r$ 2.3256% greater than the M$_r$ of ketone X.
- Ketone X gives a yellow precipitate with alkaline I$_2$(aq).
How many isomeric ketones could be ketone X?