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NEETChemistrys Block Elements

The hydroxides and carbonates of sodium and potassium are easily soluble in water while the corresponding salts of magnesium and calcium are sparingly soluble in water. What is the primary reason for this difference in solubility?

Options

  1. ASodium and potassium ions have a higher charge density.
  2. BMagnesium and calcium ions are smaller in size.
  3. CMagnesium and calcium ions have a lower charge density.
  4. DSodium and potassium ions have a lower charge density.

Correct answer

C. Magnesium and calcium ions have a lower charge density.

Step-by-step solution

Correct Option is : (C) Magnesium and calcium ions have a lower charge density.

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