(a) Interpret the variation, including the overall trend across the 3d series, of the followingvalues of hydration enthalpies (in kJ mol·'). [Ca(H2O)«]²*: -2468; [Ti(H2O)«J*: -2700;[V(H2O)«]**: -2814; [Mn(H2O)6]**: -2743; [Fe(H2O)«]²+: -2843; [Co(H20)6]**: -2904;[Ni(H2O)c]*: -2986.(b) By making use of LFSE (Ligand field stabilization energy) in tetrahedral and octahedralgeometries, predict whether hausmannite mineral (Mn3O4) has a normal spinel or inversespinel structure. Describe the structure of the mineral in detail.

We have to tell Mn3O4 will occupy normal spinel or inverse spinal

(a) Interpret the variation, including the overall trend across the 3d series, of the following values of hydration enthalpies (in kJ mol'). [Ca(H2O)«]**: -2468; [Ti(H2O)kJ²*: -2700; [V(H2O)cJ²*: -2814; [Mn(H2O)«]²*: -2743; [Fe(H2O)«]*: -2843; [Co(H20)6J**: -2904; [Ni(H2O)cJ*: -2986. (b) By making use of LFSE (Ligand field stabilization energy) in tetrahedral and octahedral geometries, predict whether hausmannite mineral (Mn3O4) has a normal spinel or inverse spinel structure. Describe the structure of the mineral in detail.

(a) Interpret the variation, including the overall trend across the 3d series, of the following values of hydration enthalpies (in kJ mol'). [Ca(H2O)«]**: -2468; [Ti(H2O)kJ²: -2700; [V(H2O)cJ²: -2814; [Mn(H2O)«]²: -2743; [Fe(H2O)«]: -2843; [Co(H20)6J**: -2904; [Ni(H2O)cJ*: -2986. (b) By making use of LFSE (Ligand field stabilization energy) in tetrahedral and octahedral geometries, predict whether hausmannite mineral (Mn3O4) has a normal spinel or inverse spinel structure. Describe the structure of the mineral in detail.

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter13: Titrations In Analytical Chemistry

Section: Chapter Questions

Problem 13.12QAP

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Question

(a) Interpret the variation, including the overall trend across the 3d series, of the following
values of hydration enthalpies (in kJ mol·'). [Ca(H2O)«]²*: -2468; [Ti(H2O)«J*: -2700;
[V(H2O)«]**: -2814; [Mn(H2O)6]**: -2743; [Fe(H2O)«]²+: -2843; [Co(H20)6]**: -2904;
[Ni(H2O)c]*: -2986.
(b) By making use of LFSE (Ligand field stabilization energy) in tetrahedral and octahedral
geometries, predict whether hausmannite mineral (Mn3O4) has a normal spinel or inverse
spinel structure. Describe the structure of the mineral in detail.

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