Question

20 What is the reason why many complex ions es (a) The metal's d b) The metal ion (e) The ligands create a vegative crystal fie (d) The splitting lbsit magnetic properties rbitals get split into twe diftferent often has unpaired d electrons energy ? is larger in some complex ions than in others. complex ions have a distinctive Crystal Field Spliting Diagram. Wh? (a) (b) Octahedral The six ligands that ions are the only commplex ions whone ligands are all in the s-y plane. ty straddling the up the octahedral crystal Geld destabilize the three 4 -orbitals with electrom or x-. y-, and bars mores more than the dorbitalson the?y-, and Hin Octahedral complex ions are the only complex ions that have a three-dimensional crystal brld. The six ligands that (d) make up the octahedral c rystal Seld are found to destabilize the two d-oritals ron density on the x,y- and z-axes more than the d orbitals that straddle they Part II: Matching Find the match and record i on the torm provided on paesVerakecl and :-x6- 1.5 points each) Match the definition of the symbol -K" or "k to best describe bew it is being, used in each of the following contexts: c Some anseers may be used more then once, and some ananvers may nevr he d CONTEXT DEFINITIONS 22 R- 8314 (A) a rate constant 24. 25 4.98 (B) the metric prefix for 103 (C) the elemental symbol for potassium (D) Kelvin temperature (E) an equilibrium constant (1.5 points each) Match the definition of the symbol "S"or "'"to best describe how it is being used in each of following contexts: (Some answers may be used more than once, and some ansseers may never be usedy CONTEXT DEFINITION (A) the elemental symbol for sodium (B) second, a unit of time (C) solid physical state (D) entropy (E) the elemental symbol for sulfur Ag(s) 28. Ag(ag)+e 29. c 2.9979 x 10 30.S Rs equation (Some answers may be used more than once, and some answers may never be used.) 31. Fe2++6 CN 32 H20() 2 points each) Match each chemical equation with the equilibrium constant used for that type of FelCN6(a) H+(aq) +OH-(aq) 33. Cu2So) Cu (a)+2 (a) N2H5+(aq) +OH-(aq) NzH4(aq) + H20(e) (A) K (B)K (C)(D) Ksp 24. (E) Ky

Answer 1