Assertion. In a unit cell of NaCl, all ` Cl^(-)` ions as will they touch each other. Reason. Radius ratio ` r_(+)//r_(-)` in NaCl is 0.414.

Assertion. In a unit cell of NaCl, all ` Cl^(-)` ions as will they tou

1.	Assertion. In a unit cell of NaCl, all ` Cl^(-)` ions as will they touch each other. Reason. Radius ratio ` r_(+)//r_(-)` in NaCl is 0.414.
Answer» Correct Answer - a Correct A. In a unit cell of NaCl, all ` Cl^(-)` ion touch ` Na^(+)` ion but do not touch each other. Correct R. Actual radius ratio ` r_(Na^(+))//r_(Cl^(-))` is 0.525 and not 0.414.

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Assertion. In a unit cell of NaCl, all ` Cl^(-)` ions as will they touch each other. Reason. Radius ratio ` r_(+)//r_(-)` in NaCl is 0.414.

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