Which property is most affected if the length of the carbon chain in an alkane increases?
Boiling point
In alkanes, a longer carbon chain means a larger molecule with stronger intermolecular forces between molecules.
More energy is needed to separate the molecules, so the boiling point rises steadily along the series (methane is a gas, octane a liquid).
Alkanes remain colourless and non-conducting, and all are flammable.
Hence, the answer is boiling point.
Similar Questions
What do methane, ethane and propane represent in the study of carbon compounds?
Which among the following molecular formulae of organic compounds does NOT represent a ring structure?
Why do higher homologues of alkanes produce multiple products when they react with chlorine in a substitution reaction?
Select the correct option regarding the following two statements labelled Assertion (A) and Reason (R).
Assertion (A): Unsaturated hydrocarbons give a yellow flame with black smoke.
Reason (R): They burn completely when oxygen is insufficient.
Unsaturated hydrocarbons usually undergo which of the following reaction mechanisms?
Which of the following statements about a homologous series are CORRECT?
(1) All members have the same general formula.
(2) Each successive member differs by a \(-CH_2-\) group.
(3) Physical properties remain identical for all members.
Which of the following hydrocarbons undergo addition reactions with hydrogen?
A compound has the molecular formula C4H10. Which statement best describes its structure?
Which of the following is NOT a characteristic of substitution reactions in alkanes?
What sort of flame is produced when unsaturated carbon compounds are burnt in air?
Important Questions from Hydrocarbons
Which of the following base is found in soap?
Which one of the following is the general formula of Alkenes?
- \({\rm{C}}{{\rm{H}}_3}{\rm{COOH}}\mathop \to \limits^{LiAI{H_4}} {\rm{A}}\mathop \to \limits^{PC{I_5}} {\rm{B}}\mathop \to \limits^{alc.KOH} {\rm{C}}\) Homologue of ‘C’ in the above reaction is:
Maximum quantity of carbon is present in
Which of the following pair gives 1° carbonium ion by hydrolysis of C-Br bond?
