IIT-JEE 2009 · Paper 2 · Chemistry Q17

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ChemistryInteger+4 / -1Question 17 of 57

The number of water molecule(s) directly bonded to the metal centre in $\ce{CuSO4*5H2O}$ is

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Answer and worked solution

Official answer: 4

Structure. Blue vitriol is $\ce{[Cu(H2O)4]SO4\cdot H2O}$ : four water molecules are bonded to Cu²⁺ in a square plane; the fifth is held by hydrogen bonds to sulphate and the coordinated waters.

Answer: 4

Topics:Nomenclature Transition element properties

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IIT-JEE 2009 · Paper 2, Chemistry question 17