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JEE Main Chemistry question

ChemistrySome Basic Concepts of ChemistryJEE Main

The empirical formula of an acid is CH₂O₂. The probable molecular formula of the acid may be

Answer: (D)

Solution

The molecular formula must be an exact integer multiple (CH₂O₂)ₙ of the empirical formula (i.e., C:H:O in the ratio 1:2:2 exactly).

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Question ID VK-139499