Question

gold is found in free state but iron is not

Answer 1

Gold is much less reactive than iron. Over time iron reacts with our oxygen-rich atmosphere, especially if moisture is present. So the form in which iron is found in nature is chemically similar to rust.

Gold on the other hand is a noble metal, it hardly reacts with anything. Even most strong acids will not corrode it.

Answer 2

Gold is much less reactive than iron. so the gold found without its compound but the iron is
tractable then the gold so...