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Given below are two statements one is labelled as Assertion A and the other is labelled as Reason R: Assertion A: The amphoteric nature of water is explained by using Lewis acid/base concept Reason R: Water acts as an acid with NH 3 and as a base with H 2 S. In the light of the above statements choose the correct answer from the options given below:

1. Both A and R are true and R is the correct explanation of A.
2. Both A and R are true but R is NOT the correct explanation of A.
3. A is true but R is false.
4. A is false but R is true.

Correct answer: A is false but R is true.

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