4. Draw both chair conformations of menthol. Circle the one with lower energy and briefly justify your choice. OH 5. Circle all centers of chirality in the following molecule. How many possible stereoisomers can be formed?

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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.