JEE Main 2025ChemistryChemistry in Everyday LifeMediumNumerical

JEE Main 2025Chemistry 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 ,

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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About this question

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.