A white solid is soluble in water and alcohol but not in toluene. It does not melt when heated to 150°C. However, when the solid is heated to a high temperature for considerable time, it
evolves a colorless gas and the volume of the solid shrinks. Identify the solid from Table 4.1

2b2t

explanation:

2b2t

what is the average time it took the car to travel 0.25 meters?

⇒ 2.23 seconds

what is the average time it took the car to travel 0.50 meters?

⇒ 3.13 seconds

water and alcohols have similar properties because water molecules contain hydroxyl groups that can form hydrogen bonds with other water molecules and with alcohol molecules, and likewise alcohol molecules can form hydrogen bonds with other alcohol molecules as well as with water.