Mention IUPAC name of the following Compounds.

CH₃CH₂COCH₃ and CH₃COOH₂CH₃

CH₃CH₂COCH₃ 

There are 4 C atoms therefore parent alkane = butane

Functional group = ketone hence suffix -one

C=O at position 2

Therefore name = butan-2-one 

Assuming the structure to be CH₃COOCH₂CH₃

its an ester so suffix -ate

Ethyl group after -COO = ethyl

2 Carbons including CO = Ethano.

Ethyl ethanoate