can someone help me answer with detail

5. Based on the molecular formula of C.H140, [1 marks] a) draw one structural formula of secondary alcohol that has one tertiary carbon in the structure. b) Classify all hydrogen atoms in the structure. c) Identify whether this alcohol is optically active. Explain your answer. d) From your answer in (C), draw a pair of enantiomers in 3D structure (if any). Label the chiral carbon with asterisks (*). e) By referring to the structure in (a), draw and label a pair of chain, positional and functional group isomer of this alcohol respectively