Using your knowledge of (and the definition of) cis and trans isomers and the following fact(s) about Cis/Trans Isomers please answer the following:  (FACT(S): With multiple double bonds in a compound the TRANS-TRANS configuration is the most stable conformation. With multiple double bonds in a compound the CIS-CIS configuration is the least stable conformation.)   Which structure is the least stable based on the information given?

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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.