JEE Main 2025 — Chemistry in Everyday Life Question with Solution
JEE Main 2025 (7 Apr Shift 1)
Question
Thyroxine, the hormone has given below structure

The percentage of iodine in thyroxine is ____ . (nearest integer)
(Given molar mass in ,

The percentage of iodine in thyroxine is ____ . (nearest integer)
(Given molar mass in ,
Enter your answer
Show full solutionCorrect answer: 65
Correct answer
65
Step-by-step explanation

Molecular formula of Thyroxine
Molecular mass of Thyroxine -
Molecular mass of Thyroxine
Nearest integer
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This is a previous-year question from JEE Main 2025, covering the Chemistry in Everyday Life 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.