Statement 1: $M g O$ has a high melting point.
Statement 2: Highly charged ions result in strong ionic forces and high lattice energies.

Statement 1 and Statement 2 are correct and Statement 2 is the correct explanation of Statement 1.

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Both the Statement 1 and Statement 2 are correct, but Statement 2 is NOT the correct explanation of Statement 1.

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Statement 1 is correct, but Statement 2 is not correct.

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Statement 1 is not correct, but Statement 2 is correct.

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Solution

The correct option is A Statement 1 and Statement 2 are correct and Statement 2 is the correct explanation of Statement 1.
Magnesium Oxide (MgO) has a higher melting point which is around $2, 800^{0} C$ . This is because its $M g^{2 +}$ and $O^{2 -}$ ions have a greater number of charges, and so form stronger ionic bonds.

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Statement 1: MgO has a high melting point.Statement 2: Highly charged ions result in strong ionic forces and high lattice energies.

Statement 1: $M g O$ has a high melting point.
Statement 2: Highly charged ions result in strong ionic forces and high lattice energies.