Question

how would a piece of iron nail react in a gelatin solution with K3Fe(CN)6 and 1% phenolphtalein?

Answer 1

the color would turn pink around due to formation of OH(neg) ions and the nail would rust

Answer 2

What if the nail is wrapped with copper wire? or zinc metal?

Answer 3

if zinc then it would turn blue due to formation of potassium ferriferrocyanide and wont rust and if copper same pink and rust

Answer 4

these are redox reactions, right?

Answer 5

yeah sure buddy

Answer 6

thanks :)

Answer 7

you are always welcomed