3 Which of the following is a chiral C-atom? See attachment! Attachments O₂N A. A B. B OC.C A OH D. A and B E. B and C F. A and C G. All are chiral carbons OH CI B CI C Which statement(s) is/are true? A. Diastereomers will always have the same biological properties. B. Diastereomers are configurational isomers which are non-superimposable mirror images of each other. C. The rotation of plane-polarised light will always be exactly the same for all diastereomers of a given compound. D. Diastereomers have different physical and chemical properties.

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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.