7. (a) Use 2-D structural formulae to illustrate the two geometric isomers of pent-2-ene. Label each isomer as cis or trans and explain whether or not these isomers are classified as different compounds. (b) Explain whether or not pent-1-ene can show geometric isomerism.

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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.