Alcohols Knowledge-Based Download PDF

Questions

1. 1.

   Which gas is released when an aliphatic alcohol reacts with metallic sodium?

   • A) Hydrogen gas ($\text{H}_2$)
   • B) Oxygen gas ($\text{O}_2$)
   • C) Carbon dioxide gas ($\text{CO}_2$)
   • D) Methane gas ($\text{CH}_4$)
2. 2.

   Which of the following classes of organic compounds is produced when a secondary ($2^\circ$) alcohol undergoes oxidation?

   • A) An aldehyde
   • B) A carboxylic acid
   • C) A ketone
   • D) An ester
3. 3.

   Which of the following features accounts for the significantly higher boiling point of ethanol compared to its structural isomer, dimethyl ether?

   • A) The higher molecular mass and greater number of covalent bonds present in ethanol
   • B) The presence of polar carbon-oxygen double bonds in the ethanol molecule
   • C) The ability of ethanol molecules to form intermolecular hydrogen bonds
   • D) The complete self-ionization of ethanol into alkoxide and hydronium ions in liquid form
4. 4.

   Which of the following compounds is classified as a tertiary ($3^\circ$) alcohol?

   • A) Ethanol
   • B) Propan-2-ol
   • C) 2-Methylpropan-1-ol
   • D) 2-Methylpropan-2-ol