Given below are two statements :
Statement (I) : Corrosion is an electrochemical phenomenon in which pure metal acts as an anode and impure metal as a cathode.
Statement (II) : The rate of corrosion is more in alkaline medium than in acidic medium.
In the light of the above statements, choose the correct answer from the options given below :

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Statement I is false but Statement II is true

Both Statement I and Statement II are false

Statement I is true but Statement II is false

Both Statement I and Statement II are true

answer is D.

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Detailed Solution

Statement I :
Corrosion is an example of electrochemical phenomenon In which pure metal act as anode and impure metal
(rusted metal) act as cathode.
Statement II :
Corrosion is more favourable in acid medium than alkaline so rate of corrosion is high is acid medium then alkaline.

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