MDCAT Chemistry MCQ #207

A mixture of phenol and water has a boiling point of 102°C. What percentage of phenol is present in the mixture?

MDCAT Chemistry MCQ #207

  1. Question 1

    Q1. A mixture of phenol and water has a boiling point of 102°C. What percentage of phenol is present in the mixture?

    • A) 25%
    • B) 30%
    • C) 40%
    • D) 50%

    Answer: 30%

    Explanation: Phenol has a boiling point of 182°C. The boiling point of the mixture is 102°C, indicating a 60°C decrease. Phenol boils at 60°C lower than water. So, the correct percentage of phenol is 30%.