Question:
Which of the following detergents is used as germicide?
Which of the following detergents is used as germicide?
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Cationic detergents are quaternary ammonium salts with germicidal action.
Updated On: Oct 1, 2026
- Anionic detergent
- Non ionic detergent (an ester)
- Cationic detergent
- Non ionic detergents (an ether)
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The Correct Option is C
Solution and Explanation
Step 1: Understanding the Concept:
Cationic detergents have a positively charged head, usually a quaternary ammonium group, with a long hydrocarbon tail.
Step 2: Detailed Explanation:
Because of the positive charge, they kill bacteria and are used as germicides, for example cetyltrimethylammonium bromide. They are also used in hair conditioners.
Anionic detergents (like sodium dodecylbenzene sulfonate) are mainly cleaning agents for laundry. Non-ionic detergents are used in dishwashing liquids and are mild.
Step 3: Final Answer:
Cationic detergent, option (C).
Final Answer:
Cationic detergents act as germicides. \[ \boxed{\text{(C) }\text{Cationic detergent}} \]
Cationic detergents have a positively charged head, usually a quaternary ammonium group, with a long hydrocarbon tail.
Step 2: Detailed Explanation:
Because of the positive charge, they kill bacteria and are used as germicides, for example cetyltrimethylammonium bromide. They are also used in hair conditioners.
Anionic detergents (like sodium dodecylbenzene sulfonate) are mainly cleaning agents for laundry. Non-ionic detergents are used in dishwashing liquids and are mild.
Step 3: Final Answer:
Cationic detergent, option (C).
Final Answer:
Cationic detergents act as germicides. \[ \boxed{\text{(C) }\text{Cationic detergent}} \]
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