Alkanes Knowledge-Based Download PDF

Questions

1. 1.

   How many moles of $\text{O}_2$ are required for the complete combustion of exactly one mole of propane ($\text{C}_3\text{H}_8$) to form carbon dioxide and water?

   • A) 3
   • B) 5
   • C) 7
   • D) 10
2. 2.

   Which type of reaction occurs when an alkane reacts with chlorine in the presence of ultraviolet light to yield a chloroalkane and hydrogen chloride?

   • A) Electrophilic addition
   • B) Free-radical substitution
   • C) Nucleophilic substitution
   • D) Elimination
3. 3.

   What is the correct IUPAC name for the branched alkane with the condensed structural formula $\text{CH}_3\text{CH}(\text{CH}_3)\text{CH}_2\text{C}(\text{CH}_3)_3$?

   • A) 2,4,4-trimethylpentane
   • B) 2-methyl-4-tert-butylbutane
   • C) 2,2,4-trimethylpentane
   • D) 1,1,3,3-tetramethylbutane
4. 4.

   Which of the following alkanes has the highest normal boiling point?

   • A) 2,2-Dimethylpropane
   • B) 2-Methylbutane
   • C) 2-Methylpropane
   • D) Pentane
5. 5.

   Which of the following compounds is a constitutional isomer of hexane?

   • A) 2-Methylbutane
   • B) Cyclohexane
   • C) 2,2,3-Trimethylbutane
   • D) 2,3-Dimethylbutane