Question

The soap molecule has a 

(a) hydrophilic head and a hydrophobic tail 

(b) hydrophobic head and a hydrophilic tail 

(c) hydrophobic head and a hydrophobic tail 

(d) hydrophilic head and a hydrophilic tail

Answer 1

The answer is (a) hydrophilic head and a hydrophobic tail

• Because of hydrophobic tail Oil and grease is trapped inside a micelle. 
• Hydrophobic head makes the outer surface of micelle. 
• Hence micelle is easily washed by water.