Chemistry

Chemistry

Problem

Using the data in the table, rank the following salts from greatest to least lattice energy. Salt  Cation radius (pm) Cation charge Anion radius (pm) Anion charge A. Li₂O  76  +1  140  −2 B. MgO  72  +2  140  −2 C. AlN  67  +3  146  −3 D. NaF  102  +1  133  −1 a) AlN>MgO>NaF>Li2O\text{AlN} > \text{MgO} > \text{NaF} > \text{Li}_2\text{O} b) MgO>AlN>Li2O>NaF\text{MgO} > \text{AlN} > \text{Li}_2\text{O} > \text{NaF} c) AlN>MgO>Li2O>NaF\text{AlN} > \text{MgO} > \text{Li}_2\text{O} > \text{NaF} d) AlN>Li2O>MgO>NaF\text{AlN} > \text{Li}_2\text{O} > \text{MgO} > \text{NaF}

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