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  4. Which compound has electrovalent, covalent, co-ordinate as well as hydrogen bond?

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Q. Which compound has electrovalent, covalent, co-ordinate as well as hydrogen bond?

NTA AbhyasNTA Abhyas 2020Chemical Bonding and Molecular Structure

Solution:

$\left[ Cu \left( H _{2} O \right)_{4}\right] SO _{4} \cdot H _{2} O$ (Blue vitrol) has

(i) electrovalent bond between $Cu^{2 +}$ and $SO_{4}^{2 -}$ ions

(ii) four water molecules are coordinated

(iii) One water molecule is hydrogen bonded to $SO_{4}^{2 -}$ ions.