enthalpy of solution

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6 Terms

1
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ionic compounds dissolve well in

polar solvents

2
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the enthalpy change of hydration is more negative for

highly charged ions

3
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state the steps in working enthalpy of solution

  • break ionic lattice into gaseous separate ions

  • hydrating positive and negative ion

4
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why is the Se-2 ion easy to distort?

because its large size allows electrons are far from nucleus and its large charge means that negative charge can distort

5
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the se-2 ion is said to be

polarised

6
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factors that increase polarisation for cation and anion seperately

cation - high charge, small size

anion- high charge, large size