Direction: An assertion (A) is given, followed by a reason (R). On the basis of the information given in the assertion and reason, decide which of the answer is correct Assertion (A): Phenyl is used…
Question and options
Direction: An assertion (A) is given, followed by a reason (R). On the basis of the information given in the assertion and reason, decide which of the answer is correct
Assertion (A): Phenyl is used as a household germicide
Reason (R): Phenyl is Phenol derivative and phenol is an effective germicide
Assertion (A): Phenyl is used as a household germicide
Reason (R): Phenyl is Phenol derivative and phenol is an effective germicide
- Both A and R are true and R is the correct explanation of A
- Both A and R are true but R is not the correct explanation of A
- A is true but R is false
- A is false but R is true
Answer and explanation
Correct answer: A - Both A and R are true and R is the correct explanation of A
Phenyl (the household disinfectant) is made from phenolic compounds, and phenol (carbolic acid) is a strong germicide. That is why phenyl is used as a household germicide, so R explains A.
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