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Q. In solid $ CuSO_{4}\,.\,\,5H_{2}O $ , copper is coordinated to

AMUAMU 2007

Solution:

$ CuS{{O}_{4}}.\,\,5{{H}_{2}}O $ is a crystalline salt. Four $ {{H}_{2}}O $ molecules attach to copper, forming a square planar symmetry and two oxygen atoms from $ SO_{4}^{2-} $ ion complete the distorted octahedron. The fifth water molecule is attached through hydrogen bonding between one of the coordinated water molecule and one of the sulphate ion.