EASY
MYP:4-5
IMPORTANT
Earn 100

Deduce the formula of decane, an alkane containing ten carbon atoms, and predict the physical state of a sample of decane at standard temperature and pressure.

Important Questions on Does Organic Chemistry Mean We Can Make Any Substance We Want?

MEDIUM
MYP:4-5
IMPORTANT
Suggest the source of alkane composition of fossil fuels, based on the information about alkanes found in modern living organisms.
MEDIUM
MYP:4-5
IMPORTANT

Compare the trends in boiling points of the homologous series of alkanes with the trends seen in the homologous series of alkenes.

Identify the apparent effect of having a double bond within a molecule. Suggest why this occurs.

MEDIUM
MYP:4-5
IMPORTANT

Alkenes and organic compounds with carbon-carbon triple bonds, called alkynes, are considered unsaturated.

Suggest the meaning of 'unsaturated' in this context. Why is unsaturated 'margarine' considered a healthy choice?

MEDIUM
MYP:4-5
IMPORTANT

Alkenes and organic compounds with carbon-carbon triple bonds, called alkynes, are considered unsaturated.

Predict the names of the first six compounds in the alkyne homologous series.

MEDIUM
MYP:4-5
IMPORTANT

Alkenes and organic compounds with carbon-carbon triple bonds, called alkynes, are considered unsaturated.

Deduce the reactivity of alkynes compared with alkanes, given the following information: alkynes are not necessarily more reactive than alkenes with the same number of carbon atoms, but alkenes are more reactive than saturated hydrocarbons (alkanes) with the same number of carbon atoms.

MEDIUM
MYP:4-5
IMPORTANT
Suggest why, when making ethanol using an addition reaction, a high temperature (300 0C) and a high pressure (70 atmospheres) are used during hydration.
MEDIUM
MYP:4-5
IMPORTANT
Antifreeze, used in the radiators of cars in cold climates contains ethylene glycol (1,2-ethane-diol), a kind of alcohol. Suggest why this compound is preferred to methanol (CH3OH).
MEDIUM
MYP:4-5
IMPORTANT
List the first six compounds in carboxylic acids in homologous series.