Given below: Assertion (A): Phenyl is used as a household germicide. Reason (R): Phenyl is phenol derivative and phenol is an effective germicide.
✓ Correct answer: a) Both A and R are true and R is the correct explanation of A
ExplanationAssertion A is true: Phenyl, a common household germicide, contains phenol derivatives that disrupt bacterial cell membranes and denature proteins, making it effective against germs.Reason R is true: Phenol, also called carbolic acid, is a well- known antiseptic and disinfectant due to its ability to kill bacteria, fungi, and viruses.This explains the germicidal property of phenyl.Thus, both Assertion (A) and Reason (R) are true, and R correctly explains A. 356
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