Q19 / 90 · JEE Main 2022 (26 Jun Shift 2) · Chemistry

Which of the following is NOT an example of synthetic detergent?

A
Correct answer
B
${CH}_{3} - {({CH}_{2})}_{16} - {COO}^{-} {Na}^{+}$
C
D
${CH}_{3} {({CH}_{2})}_{16} COO {({CH}_{2} {CH}_{2} O)}_{n} {CH}_{2} {CH}_{2} OH$

Solution

Sulphonates and quaternary ammonium salt of long chain fatty acids are used as synthetic detergents.

option $(2)$ ${CH}_{3} - {({CH}_{2})}_{16} - {COO}^{-} {Na}^{+}$ is just a hydrocarbon chain which is insoluble in water.Hence, it is not a synthetic detergent.

Hence, the correct answer is option: 'B'.

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