The correct answer is <span>Antoine-Laurent de Lavoisier. Hope this helps!</span>
The rows are called Periods.
When ketone is reacted with phosphorous pentachloride, chlorination takes place at the carbonyl carbon with substitution of the oxygen atom to give a geminal dichloride (with 2 Cl atoms on same carbon) according to the following equation:
so we can say that acetone is converted into 2,2-dichloropropane by action of PCl₅
<span />
The correct answer is 124 ✌
Nuclear fossion hope this helps