Explain the oh bond so that a hydrogen ion dissociates

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The compound Mg(OH)2 is basic, but Si(OH)4 is an acid (silicic acid). Why? Select all that apply. 1. The OH groups attached to the silicon atom in Si(OH)4 strengthen the OH bond so that a hydrogen ion dissociates when the compound is dissolved in water. 2. The OH groups attached to the silicon atom in Si(OH)4 weaken the OH bond so that a hydrogen ion dissociates when the compound is dissolved in water. 3. Mg(OH)2 has fewer oxygen atoms than Si(OH)4. 4. Mg(OH)2 is an ionic compound and Si(OH)4 is a molecular compound. 5. OH groups from Mg(OH)2 dissociate in water, forming hydroxide ions. 6. Si(OH)4 has a greater molecular weight than Mg(OH)2. I thought it was just 2, 3, and 4, but I am incorrect and I am not sure exactly what it is.

Reference no: EM13181759

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