Question

Which of the following is 1, 3 diketone?
А
2, 4-Pentane dione
B.
Benzophenone
С
2-Propanone
D
Acetophenone​

Answer 1

Answer:

answer is

I think so

C or a

Answer 2

Answer:

$2,4-pentane dione$ has two $C=O$ groups that were separated by one carbon atom and are an example of diketone.

Explanation:

Diketone is a carbonyl compound that contains two $C=O$ groups.

If the two $C=O$ groups are adjacent to each other, it is known as $1,2-diketone$.

If the two $C=O$ are separated by one carbon atom, it is known as $1,3-diketone$.

Option A is $2,4-pentane dione$, it contains $C=O$ groups at second and fourth positions. Hence, it is a diketone.

Option B is Benzophenone, in this compound, two phenyl groups are attached to only one $C=O$ group.

Option C is $2-Propanone$, it has only one $C=O$ group.

Option D is Acetophenone, in this compound methyl and phenyl groups are attached to only one $C=O$ group.

Hence, option A is the correct answer.