1. Draw all possible stereoisomers of the structures below. Indicate the isomeric relationships between all pairs of stereoisomers in each box. In each original structure, circle the stereocenters. A. NHME Ph Ph B. C.

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Q: HO H3CO. `N'

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Alkanes and Cycloalkanes

Alkanes are saturated organic compounds which are made up of C and H atoms. Alkanes have the general formula of CnH2n+2. Alkane contains sp3 hybridized carbon atoms with four sigmas (σ) bonds & every hydrogen atom is connected with one of the carbon atoms. The size of the alkane could be determined by the number of carbon atoms located in it.