Multiple choice

Which of the following statements is correct?

  1. Li+ ion is more solvated than Na+ ion in water.

  2. MgCl2 is more covalent than BeCl2.

  3. MgO is less basic than Al2O3.

  4. Mg has higher atomic radius than Ca.

  5. Beryllium exhibits coordination number six.
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A Correct answer
Explanation

Because of very small size of Li+ ion, it is more solvated than Na+ ion in water.

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