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JEE CHEMISTRY MCQ: ORGANIC CHEMISTRY-SOME BASIC PRINCIPLES AND TECHNIQUES
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Analyzing
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Assertion (A): The percentage of oxygen in an organic compound is usually found by difference between the total percentage composition (100) and the percentages of all other elements.
Reason (R): Oxygen is present everywhere.
Reason (R): Oxygen is present everywhere.
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Correct option: A
Both and are correct ; is the correct explanation of .
Option A (Both A and R are correct; R is the correct explanation of A) is correct because the percentage of oxygen is often found by difference due to its ubiquitous presence.
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