question_answer

Which of the following represents a synthetic detergent

A)                 \[{{C}_{15}}{{H}_{31}}COOK\]

B)                 \[C{{H}_{3}}{{[C{{H}_{2}}]}_{16}}COONa\]

C)                 \[{{C}_{12}}{{H}_{25}}\]\[S{{O}_{3}}Na\]

D)                 None of these   

Correct Answer: C

Solution :

           The most widely used domestic detergent is the sodium dodecyl benzene sulphonate (SDS).                    \[C{{H}_{3}}-{{(C{{H}_{2}})}_{11}}\] \[S{{O}_{3}}Na\]                                 (Sodium dodecyl benzene sulphonate)