Question

Compounds having only one chiral center can have both enantiomer and diastereomer

Answer 1

Answer:

Explanation:

Compound D is also a diastereomer of compounds A and B. If all of the chiral centres are of opposite R/S configuration between two stereoisomers, they are enantiomers. If at least one, but not all of the chiral  centers are opposite between two stereoisomers, they are diastereomers.

i hope this answers yor question

Answer 2

Answer:
No, the compounds having one chiral centre can not have both enantiomers and diastereomers

Explaination:
Diastereomers may or may not have chirality