Question

Compare and explain the corrosion rate in the following scenario:
1) Iron wire exposed to pH = 3 and pH = 11
ii) Lead grid exposed to sulphuric acid and hydrochloric acid​

Answer 1

Answer:

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Answer 2

Explanation:

pH level is a scale that ranges from 0 to 14 where 0 is the most acidic and 14 most basic point. Now for corrosion to happen, it is important that how much metal is exposed to some acidic material in the presence of oxygen and water.

So incase 1, iron wire exposed to ph = 3 will corrode more than when exposed to pH = 11

In case 2, lead grid exposed to hydrochloric acid will corrode more because of more acidic nature of HCL than sulphuric acid