Consider the following hydroxides:
1. Be(OH)2
2. Sr(OH)2
3. Mg(OH)2
4. Ba(OH)2
The correct order of basicity of the above hydroxides will be:
1
Sr(OH)2 < Be(OH)2 < Ba(OH)2 < Mg(OH)2
2
Be(OH)2 < Mg(OH)2 < Ba(OH)2 < Sr(OH)2
3
Mg(OH)2 < Ba(OH)2 < Sr(OH)2 < Be(OH)2
4
Be(OH)2 < Mg(OH)2 < Sr(OH)2 < Ba(OH)2
5
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