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JEE Main levelOne or more correct optionsDifficulty 2 of 3el186

Which of the following are anionic detergents?

  1. APolyethylene glycol stearate
  2. BCetyltrimethylammonium bromide
  3. CSodium lauryl sulphate,
  4. DSodium dodecylbenzenesulphonate

Answer: C, D

Anionic detergents have a negatively charged sulphate or sulphonate head. Sodium lauryl sulphate and sodium dodecylbenzenesulphonate fit this. Cetyltrimethylammonium bromide is cationic and polyethylene glycol stearate is non-ionic.
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