Given below are two statements.
Statement I: In ${CuSO}_{4} \cdot 5 H_{2} O, Cu - O$ bonds are present.
Statement II: In ${CuSO}_{4} \cdot 5 H_{2} O$ , ligands coordinating with Cu(II) ion are O-and S based ligands.
In the light of the above statements, choose the correct answer from the options given below.

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Statement I is correct but Statement II is incorrect.

Statement I is incorrect but Statement II is correct.

Both Statement I and Statement II are correct.

Both Statement I and Statement II are incorrect.

answer is C.

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Detailed Solution

Statement I: True. In CuSO₄·5H₂O, copper (Cu²⁺) forms bonds with oxygen atoms of water molecules and sulfate ions. Therefore, Cu–O bonds are present.

Statement II: False. In CuSO₄·5H₂O, the ligands coordinating with Cu²⁺ are water molecules (H₂O) and oxygen from the sulfate ion (SO₄^2-). There is no sulfur directly coordinating with Cu²⁺; hence, the ligands are oxygen-based, not sulfur-based.

Thus, Statement I is correct but Statement II is incorrect.