Which of the following is true about the two statements?

Statement I : Reactivity of aluminium decreases when it is dipped in nitric acid.

Statement II A protective layer of aluminium nitrate is formed when aluminium is dipped in nitric acid.

I is correct but II is incorrect.

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I is incorrect but Il is correct.

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Both the statements are correct and II is also the correct explanation of I.

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Both the statements are correct but II is not correct explanation of I.

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Solution

The correct option is A
I is correct but II is incorrect.

When Al is dipped in $H N O_{3}$ , it forms layer of $A l_{2} O_{3}$ which decrease the reactivity of Al.

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Which of the following is true about the two statements? Statement I : Reactivity of aluminium decreases when it is dipped in nitric acid. Statement II A protective layer of aluminium nitrate is formed when aluminium is dipped in nitric acid.

The correct option is A I is correct but II is incorrect. When Al is dipped in HNO3, it forms layer of Al2O3 which decrease the reactivity of Al.

Which of the following is true about the two statements?

Statement I : Reactivity of aluminium decreases when it is dipped in nitric acid.

Statement II A protective layer of aluminium nitrate is formed when aluminium is dipped in nitric acid.

The correct option is A
I is correct but II is incorrect.

When Al is dipped in $H N O_{3}$ , it forms layer of $A l_{2} O_{3}$ which decrease the reactivity of Al.