Problem: Which of the following compounds requires the most energy to convert one mole of the solid into separate ions?(a) K2S(b) K2O(c) CaS(d) Cs2S(e) CaO

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FREE Expert Solution

Lattice Energy = |cation charge×anion charge|cation radius + anion radius


K2S

Lattice energy = |+1×-2|4+3

Lattice energy = 0.2857


K2O

Lattice energy = |+1×-2|4+2

Lattice energy = 0.3333


CaS

Lattice energy = |+2×-2|4+3

Lattice energy = 0.5714


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Problem Details

Which of the following compounds requires the most energy to convert one mole of the solid into separate ions?
(a) K2S
(b) K2O
(c) CaS
(d) Cs2S
(e) CaO

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Our tutors have indicated that to solve this problem you will need to apply the Lattice Energy concept. You can view video lessons to learn Lattice Energy. Or if you need more Lattice Energy practice, you can also practice Lattice Energy practice problems.

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Based on our data, we think this problem is relevant for Professor Huskey's class at NEWARK.

What textbook is this problem found in?

Our data indicates that this problem or a close variation was asked in Chemistry - OpenStax 2015th Edition. You can also practice Chemistry - OpenStax 2015th Edition practice problems.