The third option because the elements mentioned in that selection are in the same group, they must have similar properties.
Answer:
The Reaction of acetic acid withNaN3 gives out methylamine. rxn of methylamine to HNO2 to give out methanol. oxidation of methanol via Kcr207(H+) to give formic acid.
The correct option for above statement is:
B.Joseph Proust
Explanation:
Joseph Proust printed his Law of Definite Proportions (or Law of Constant Composition) in 1794. This law states that a compound consists of exact proportions of parts by mass no matter however the compound was created.
The answer is B, because you take 320*3.5(or3 1/2) to get B.