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Which of the following metals will have high corrosion rates in aerated acetic acid?

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Which of the following metals will have high corrosion rates in aerated acetic acid?

(a) Aluminum and its alloys

(b) Copper and its alloys

(c) Titanium and its alloys

(d) Nickel and its alloys

This question was posed to me in final exam.

I'm obligated to ask this question of Environments in chapter Other Environments of Corrosion Engineering

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Right option is (b) Copper and its alloys

Explanation: Copper and its alloys will be highly affected by aeration (oxygen) in acetic acid and it increases with an increase in temperature. It can be prevented by deaeration and decrease in temperature.

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