Homologous Series
Chemistry ⇒ Carbon and Organic Chemistry
Homologous Series starts at 10 and continues till grade 12.
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Describe one way in which homologous series are useful in organic chemistry.
Describe the trend in solubility of alcohols in water as the number of carbon atoms increases.
Explain why members of a homologous series have similar chemical properties.
Explain why the melting point of alkanes increases with increasing molecular mass.
If the molecular formula of an alcohol is C3H7OH, what is the molecular formula of the next member in the series?
If the molecular formula of an alkane is C5H12, what is the molecular formula of the next member in the series?
A student lists the following compounds: CH4, C2H6, C3H8. Are these compounds members of a homologous series?
A student claims that the compound C4H10O can belong to more than one homologous series. Justify this statement with examples.
Which of the following is a property common to all members of a homologous series?
(1) Same molecular mass
(2) Same functional group
(3) Same number of carbon atoms
(4) Same boiling point
Which of the following is NOT a characteristic of a homologous series?
(1) Same general formula
(2) Same functional group
(3) Identical physical properties
(4) Gradation in physical properties
Which of the following is NOT a member of the alkene homologous series?
(1) Ethene
(2) Propene
(3) Butene
(4) Methene
Which of the following is the correct general formula for the homologous series of ethers?
(1) CnH2n+2O
(2) CnH2nO
(3) CnH2n-2O
(4) CnH2n+1O
Fill in the blank: The functional group present in the homologous series of alcohols is ______.
Fill in the blank: The general formula for alkynes is ______.
Fill in the blank: The general formula for carboxylic acids is ______.
The difference in molecular mass between two successive members of an alkane homologous series is ______ g/mol.
A student lists the following compounds: CH4, C2H6, C3H8. Are these compounds members of a homologous series?
True or False: All members of a homologous series can be represented by the same general formula.
True or False: Members of a homologous series have the same chemical properties.
True or False: The chemical formula of the nth member of the alkane series is CnH2n+2.
