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20 April, 19:04

List the salts in order from weakest to strongest lattice energy (most positive to most negative). magnesium chloride, barium chloride, calcium chloride, strontium chloride Group of answer choices magnesium chloride < calcium chloride < strontium chloride < barium chloride calcium chloride < barium chloride < magnesium chloride < strontium chloride magnesium chloride < barium chloride < calcium chloride < strontium chloride strontium chloride < calcium chloride < barium chloride < magnesium chloride barium chloride < strontium chloride < magnesium chloride < calcium chloride barium chloride < strontium chloride < calcium chloride < magnesium chloride calcium chloride < magnesium chloride < strontium chloride < barium chloride

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  1. 20 April, 20:14
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    Answer: Option (6) is the correct answer.

    Explanation:

    Lattice energy is described as the energy released when formation of 1 mole of an ionic compound occurs due to the combination of its constituent ions.

    Also, lattice energy is inversely proportional to the distance between the cation and anion. And, when we move down a group then there occurs an increase in the atomic radii of the atoms.

    This means that smaller is the ionic distance between the cation and anion, more will be the lattice energy between the atoms.

    Therefore, order from weakest to strongest lattice energy (most positive to most negative) for the given compounds is as follows.

    barium chloride < strontium chloride < calcium chloride < magnesium chloride
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