Question
Which statement about homologous series and isomerism is correct?
A Butane and butene are structural isomers.
B Compounds in the same homologous series have the same general formula.
C Compounds in the same homologous series have the same molecular formula.
D Structural isomers have different molecular formulae.
Answer/Explanation
Ans: B
Question
Which molecule contains only single covalent bonds?
A propane
B propanoic acid
C propene
D propyl propanoate
Answer/Explanation
Ans: A
Question
The structures of four organic molecules are shown.
Which molecules are structural isomers of structure 1?
▶️Answer/Explanation
Ans:C
Question
Which statement about homologous series is correct?
A Members of a homologous series have the same structural formula.
B Members of a homologous series all have similar chemical properties.
C Members of a homologous series all have similar physical properties.
D Members of all homologous series are hydrocarbons.
▶️Answer/Explanation
Ans:B