Question

Which of the following reactions will be comparatively the slowest?Select the proper choice from the given choices.
(A) Decomposition of urea in presence of urease enzyme
(B) Formation of rust on iron in presence of inhibitors
(C) The combination of N₂ and O₂ when lightening is there in the sky
(D) The rate of reverse reaction in presence of catalyst.

Answer 1

formation of rust in iron

Answer 2

Rusting of iron is a relatively slow process.

• Iron on oxidation due to air and in the presence of moisture forms an iron oxide film on its surface which is known as rust.
• It is a very slow process in itself.
• However,in the presence of inhibitors, it slows down even further.