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  • The soap molecule has a (a) hydrophilic head and a hydrophobic tail

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 

Answers (1)

Answer:(a)

Solution:

A soap molecule is made up of two parts: A long hydrocarbon part and a short ionic part  -COO-Na^+ group. The long hydrocarbon chain is hydrophobic (water repelling) and ionic portion is hydrophilic (water attracting).

Therefore, option (a) is correct.

Posted by

infoexpert21

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