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Statement-1: Aluminium hydroxide, Al(OH)3, behaves as an amphoteric compound. Statement-2: In Al(OH)3 both the Al-O bond and the O-H bond can be cleaved with comparable ease. Choose the correct option.

1. Statement-1 is true, Statement-2 is true and Statement-2 is the correct explanation of Statement-1.
2. Statement-1 is true, Statement-2 is true but Statement-2 is NOT the correct explanation of Statement-1.
3. Statement-1 is true but Statement-2 is false.
4. Statement-1 is false but Statement-2 is true.

Correct answer: Statement-1 is true, Statement-2 is true and Statement-2 is the correct explanation of Statement-1.

Solution

Al(OH)3 is amphoteric because in acid the Al-O bond breaks (giving Al3+), while in base the O-H bond breaks (giving aluminate). Since both bonds break with similar ease, Statement-2 correctly explains Statement-1.

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