MCQ
Which among the following detergents is non$-$ionic in character?
  • A
    Sodium lauryl sulphate.
  • Pentaerythrityl stearate.
  • C
    Cetyl trimethyl ammonium chloride.
  • D
    Sodium $n-$dodecyl benzene sulphonate.

Answer

Correct option: B.
Pentaerythrityl stearate.
Non $-$ ionic detergents are characterized by their uncharged, hydrophilic headgroups.
Typical non$-$ionic detergents are based on polyoxyethylene or a glycoside.
Pentaerythrityl stearate is a non $-$ ionic detergent.
Sodium lauryl sulphate is an anionic detergent.
Cetyl trimethyl ammonium chloride is a cationic detergent.
$\text{SDS}$ Sodium $n-$dodecyl benzene sulphonate is an anionic detergent.

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