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Match List - I with List - II: List - I (a) NaOH (b) Be(OH)2 (c) Ca(OH)2 (d) B(OH)3 (e) Al(OH)3 List - II (i) Acidic (ii) Basic (iii) Amphoteric Choose the most appropriate answer from the options given below:

1. (a)-(ii), (b)-(i), (c)-(iii), (d)-(ii), (e)-(iii)
2. (a)-(ii), (b)-(iii), (c)-(ii), (d)-(i), (e)-(iii)
3. (a)-(ii), (b)-(i), (c)-(iii), (d)-(ii), (e)-(iii)
4. (a)-(ii), (b)-(i), (c)-(iii), (d)-(iii), (e)-(iii)

Correct answer: (a)-(ii), (b)-(iii), (c)-(ii), (d)-(i), (e)-(iii)

Solution

NaOH and Ca(OH)2 are basic (ii); Be(OH)2 and Al(OH)3 are amphoteric (iii); B(OH)3 is a Lewis acid, i.e. acidic (i). So a-ii, b-iii, c-ii, d-i, e-iii.

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