Answer:
potassium 3-ethylpentanoate
or
potassium 3-ethylpentanoic acid
Explanation:
This is an organic compound.
This is a salt of carboxylic acid
This compound have 5 carbon main chain
There is an ethyl group is attached on carbon 3
K (Potassium) substituted the H (hydrogen) of pentanoic acid and form salt of it.
This compound shown in ionic form as salt solution written in ionic form.
So,
the name will be
Potassium 3-ethylpentanoate
it is also named as potassium 3-ethylpentanoic acid
Note: you can write any one of them both are right
the structure and name is given in attachment