Classification of Organic Compounds
Homologous Series
Functional Groups
Production of Alcohols
Enthalpy of combustion & biofuels
100

Single bonded straight chain compound with 6 carbon atoms

Hexane

100

General formula of Alkene

CnH2n

100

Functional group containing OH

alcohol

100

the catalyst in fermentation

Yeast

100

definition of the change in enthalpy for a chemical reaction

heat absorbed or released per mole

200

This alcohol had 5 carbons and the OH on carbon 2

2-pentanol

200

In Homologous series each successive member differ by one unit of CH2 has molecular mass of

14 a.m.u

200

Alkyl group is represented by symbol

R

200

distillation separates alcohol from water by

the difference in boiling points

200

specific heat capacity of water

4.18 J/g/K

300

Cyclic compounds having atoms of  the same element in the ring with 4 carbon atoms

Cyclobutane

300

Alkyne with 7 carbon atoms

Heptyne

300

hydrocarbons with a triple bond

Alkynes

300

glucose chemical formula

C6H12O6

300

crops that bioethanol is made from

corn/sorghum/wheat and sugar cane

400

3 classifications of alcohols

primary, secondary, tertiary

400

Alkyl group has general formula

CnH2n+1

400

 2-methylbutan-2-ol is a _______________ alcohol

tertiary 

400

boiling point of ethanol

78 degrees celcius

400

2 advantages of ethanol as a fuel

renewable, higher octane, produces less CO2, theoretically greenhouse neutral

500

Branched chain compound containing 5 carbon atoms

Iso-pentane  / Neo- pentane

500

Members of Homologous series have _______ chemical properties

Comparable/ same

500

A haloalkane contains

A halogen (i.e Cl, F....) instead of a hydrogen

500
what is the first insoluble alcohol in the homologous series

octanol

500

Ethanol C2H5OH has an enthalpy of combustion ΔH = −1360 kJ mol−1   Calculate the heat released per gram of ethanol

=(1360/46.068) = 29.52 kJ/g

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