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24 February, 16:57

The radii of the sodium and potassium ions are 102 pm and 138 pm, respectively. which compound has stronger ionic at - tractions, sodium chloride or potassium chloride?

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  1. 24 February, 17:13
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    The NaCl has more attraction as compare to KCl.

    Explanation:

    As we know down the group size is increases. As the size of K is greater than Sodium. Due to greater size of atom, the distance between the K and Cl is greater than NaCl. Due to greater distance between the atoms, attraction become less.

    Summary:

    Greater size (greater radius) between atoms, lesser will be attraction.
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