幾個organic chem問題2

1. For rxns:

CH3I + CH3COCH2Na --> CH3COCH2CH3 +NaI
and
CH3ONa + CH3COCH3 --> CH3COCH2Na +CH3OH

which are electrophiles and nucleophiles?

2. Propose mechanism of ninhydrin reacts with amino acids,, that a purple compound is formed.