Question

Notice that the bond strength for lithium bonded with any of the anions is larger than the bond strength of potassium bonded with any of
the same anions. Propose a scientifically sound explanation for this.
Select one:
O a. Lithium comes before sodium or potassium alphabetically, so its bond will be stronger.
O b. Sodium and potassium are essential for human metabolism, so they should not bond as strongly with anions.
Oc. Lithium is the smallest cation, so bond length is shorter creating a tighter bond.
Od Lithium is the only cation with a +1 charge.
Check

Answer 1

The bond strength for lithium bonded with any of the anions is larger than the bond strength of potassium bonded with any of  the same anions because lithium is the smallest cation, so bond length is shorter creating a tighter bond.

The strength of an ionic bond ultimately depends on the size of the ions. The smaller the ions the stronger the bond and the higher the lattice energy. Such compounds having a high lattice energy tend to deviate from the normal behavior of ionic crystals due to significant covalent contribution.

Lithium is the smallest cation in group 1. Hence,  the bond strength for lithium bonded with any of the anions is larger than the bond strength of potassium bonded with any of  the same anions because lithium is the smallest cation, so bond length is shorter creating a tighter bond.

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