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Detergents

Detergents ar...

Question

Detergents are prepared by the action of $H_{2} {S O}_{4}$ , followed by neutralization, by starting with:

A

cholesterol

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B

lauryl alcohol

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C

cyclohexanol

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D

p-nitrophenol

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Solution

The correct option is B lauryl alcohol
Detergents are prepared by the action of $H_{2} S O_{4}$ , followed by neutralization by starting with lauryl alcohol.
An example is $N a L S$ which is sodium lauryl sulphonate. Lauryl alcohol $(C_{12} H_{26} O)$ reacts with sulphuric acid followed by aq. $N a O H$ to form $N a L S$ , $C H_{3} (C H_{2})_{10} O S O_{3}^{-} N a^{+}$ .

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