JEE Main 2025 — Some Basic Concepts Of Chemistry Question with Solution
From: JEE Main 2025 (Online) 7th April Morning Shift
Question
Thyroxine, the hormone has given below structure

The percentage of iodine in thyroxine is __________ %. (nearest integer)
(Given molar mass in )
This question includes a diagram. The text above accompanies the figure.
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Show full solutionCorrect answer: 65
Step-by-step explanation

Molecular formula of Thyroxine
Molecular mass of Thyroxine -
Molecular mass of Thyroxine
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This is a previous-year question from JEE Main 2025, covering the Some Basic Concepts Of Chemistry chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.