The kind of bond present in CUSO4.5H20

Both ionic bonds and covalent bonds (coordinate and non-coordinate) are present in crystalline .

Explanation:

can be formed by adding water to the anhydrous salt .

itself is an ionic compound consisting of ions and ions. Ionic bonds are present between these ions. However, within each sulfate ion, covalent bonds connect the central sulfur atom to each of the oxygen atoms.

Water molecules are highly polar. Partial negative charges surround the oxygen atom in each water molecule.

When water is added to anhydrous , the negatively-charged portion of these molecules would be attracted to the positively-charged ions in .

Lone pairs on oxygen atoms in would form coordinate covalent bonds with ions. (These bonds are considered "coordinate" because both electrons in each of these bonds come from the oxygen atom, not the ion.) That would produce coordination complexes with one ion and five "ligands" each.

Because the ligands carry no electric charge, each of these complexes would also carry a charge of (same as the charge on one ion.) Ionic bonds would be present between the positively-charged coordination complexes and the negatively-charged ions.

Summary:

b is the correct answer

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