Multiple choice

A hygroscopic substance absorbs moisture from the sorroundings. Which subtance among the following is a hygroscopic liquid?

  1. Pyridine

  2. Quinoline

  3. Pyrazine

  4. Phenazine

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Quinoline is a heterocyclic aromatic organic compound. It is a colourless hygroscopic liquid with a strong odour. Quinoline is slightly soluble in cold water but dissolves readily in hot water and most organic solvents.