Question

What effect does salt have on the corrosion of iron?

• A. Absolutely none
• B. Speeds up the reaction
• C. Stops rust in it's tracks
• D. Gives off a different type of rust

Answer 1

The correct option is B Speeds up the reaction

Salt in water speeds up the reaction. This is because lots of dissociated ions are present in salt. As salt is a strong electrolyte and hence this tremendously accelerates corrosion in saltwater.

Option $B$ is correct.