Thyroxine, the hormone has given below structure The percentage of iodine in thyroxine is ____ % . (nearest integer) (Given molar mass in g mol ⁻¹ C : 12. H : 1, O : 16 , N : 14, I : 127)

Step-by-step solution

Molecular formula of Thyroxine C ₁₅ H ₁₁ O ₄ NI ₄ Molecular mass of Thyroxine - aligned & C 15 12=180 & H 11 1=11 & O 16 4=64 & ~N 14 1=14 & I 127 4=508 aligned Molecular mass of Thyroxine 777 aligned & % of Iodine = 508 777 100 & =65.38 % aligned Nearest integer =65