Food Preservatives

Q.

Aspartame is one of the good artificial sweetners whose use is limited to cold foods and soft drinks because

1. It has verylow boiling point.
2. It gets dissociated at cooking temperature.
3. It is sweetner at low temprature only.
4. It is insoluble at higher temperature

Q. On hydrolysis, an ester gave a carboxylic acid.The potassium salt of that acid on Kolbeselectrolysis gave ethane. That ester is:

1. methyl ethanoate
2. methyl methanoate
3. ethyl methanoate
4. ethyl propanoate