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B
Electrovalent and coordinate
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C
Electrovalent, covalent and coordinate
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D
Covalent and coordinate
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Solution
The correct option is C Electrovalent, covalent and coordinate In hydrated copper sulphate molecule (CuSO4.5H2O), there exists ionic (or electrovalent) bonding between Cu2+ and SO2−4 ions while the bonds between S and O in sulphate ion is purely covalent. Water molecules act as ligands forming coordinate bonds with the central metal ion.