Question

In the given figure label the parts

• A. (a) A – Hydrophilic tail, B – hydrophobic head
• A. (b) A – Hydrophobic tail, B – hydrophobic head
• A. (c) A – Hydrophobic tail,B – hydrophilic head
• A. (d) A – Hydrophilic tail,B – hydrophilic head

Answer 1

(c)

Sol.

The $\mathrm { RCOO } ^ { - }$ ion formed in the water contains tow parts, a long hydrocarbon chain R (non-polar or hydrophobic tail) and a polar $\mathrm { COO } ^ { - }$(polar or hydrophilic head)