Which of the following chemical is most powerful disinfectant? mcq is given below:
Q. Which of the following chemical is most powerful disinfectant?(a) Dettol |
Do you Agree with Answer |
🧪 Rationale: The Most Powerful Disinfectant 🧪
Disinfectants are chemical substances used to destroy harmful microorganisms.
They are used in hospitals, operating theaters, for cleaning floors, equipment, and for infection control.
The question is – Which of the following is the most powerful disinfectant?
✅ Correct Answer: (c) Phenol
Phenol is considered one of the most powerful disinfectants.
It effectively destroys:
- Bacteria
- Viruses
- Fungi
and is widely used for cleaning surfaces in hospitals.
Why are the other options incorrect?
(a) Dettol → It is a good antiseptic, but not as powerful as phenol.
(b) Lysol → It is also a derivative of phenol, but pure phenol is more powerful.
(d) KMnO4 → It is an oxidizing agent, but it is not considered the most powerful disinfectant.
✅ Exam Point:
Most powerful disinfectant →
➤ Phenol
(Medical-Surgical & Community Health Nursing)
📌 Disclaimer: This material is for nursing exam preparation. For clinical use, please refer to standard textbooks.
💚 Exam Objective Nursing – Asha D
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