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JEE Main · 2024 · 06 Apr 2024 · Shift 2 · Hydrocarbons

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The ratio of number of oxygen atoms to bromine atoms in the product Q is ______ .

Answer: 15

Solution

Nitration of the ethoxybenzene () installs one group ortho/para to (product P), contributing 2 oxygens (from ) plus 1 oxygen (from ) — 3 oxygens total. Bromination with excess /Fe, directed by the strongly activating ethoxy group, installs 2 bromine atoms in product Q. Ratio of oxygen to bromine atoms .

JEE Main · 2024 · 06 Apr 2024 · Shift 2 · Integer answer

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