JEE Advanced 2023 Chemistry question

ChemistrySome Basic Concepts of ChemistryJEE Advanced 2023

The stoichiometric reaction of 516 g of dimethyldichlorosilane with water results in a tetrameric cyclic product **X** in 75% yield. The weight (in g) of **X** obtained is . [Use, molar mass (g mol): H = 1, C = 12, O = 16, Si = 28, Cl = 35.5]

Answer: 222

Solution

, so 516 g is 4 mol. Hydrolysis and condensation:

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Question ID VK-034103