posted by melvin .
Compound X, C8H17Cl, is a chiral product of the radical chlorination of 4-methylheptane.
X reacts in SN2 fashion with NaI in acetone to form Z, C8H17I. When the reactant is the R-enantiomer of X, only the R-enantiomer of Z is formed.
What is the structural formula for X?