Alkanes and Alkenes 0.0 / 5 ? ChemistryOrganic chemistryIGCSEEdexcel Created by: EmithCreated on: 23-05-21 21:39 What is meant by hydrocarbons? This is an organic chemical composed of hydrogen and carbon only. 1 of 10 What are alkanes? Alkanes are saturated carbons. 2 of 10 What are the first five alkanes? Methane (CH4) Ethane (C2H6) Propane (C3H8) Butane (C4H10) Pentane (C5H12) 3 of 10 What is the formula for alkanes? CnH2*n+2 4 of 10 What is meant by saturated? Saturated alkanes have no carbon to carbon double bond and has single carbon bonds between atoms. 5 of 10 What are alkenes? Alkenes are unsaturated carbons. 6 of 10 What is the formula for alkenes? CnH2*n 7 of 10 What is meant by the term unsaturated? Unsaturated Alkenes have a carbon to carbon double bond. 8 of 10 What does isomerism mean? The existence of molecules with the same number of the same kinds of atoms but differ in chemical properties. 9 of 10 What are the first three alkenes? Ethene (C2H4) Propene (C3H6) Butene (C4H8) 10 of 10
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