a mixture of 20 cm³ of a gaseous hydrocarbon and 80 cm³ O2 is burned. Combustion products after cooling pass into KOH solution, it is noticed that a volume reduction of 40 cm³ appears. Eventually 30 cm³ gas remains. If all volumes are measured under the same conditions, find the molecular formula of hydrocarbon

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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.