6) What is the crystal field energy level diagram for the complex [Co(CN)63-? ܕ ܐ ܘ ܘ *** (A) [Mn(H₂0)612+ [Ag(NH3)2]+ D

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6) What is the crystal field energy level diagram for the complex [Co(CN)63-? ܕ ܐ ܘ ܘ *** (A) [Mn(H₂0)612+ [Ag(NH3)2]+ DyMn(CN)6³- Q) (D) 7) Which of the following complexes has five unpaired electrons? A) CrCl3(H₂0)3 B) A) 10.89 B) 3.74 C) 3.11 D) 10.26 du (B) NI 985 C E 9.56- B) 5.05 8) What is the pH of the resulting solution if 25 mL of 0.432 M methylamine, CH3NH2, is added to 15 ml. of 0.234 M HCI? Assume that the volumes of the solutions are additive.Ka-2.70x10-11 for CH3NH3+ 10.025X 0.432 = 0.108 KA = KW 0.00729 KB 71 0.015 X pºH = 3.43 + log 944 0.00351 0.00351 - 3-7x10 Pkb= 3.43 d2d22 (D) -0.00351= 2x10 = 4.44 PH= 10.9 9) What is the molar solubility of AgCl in 0.10 M NaCN if the colorless complex ion Ag(CN) forms? Ksp for AgCl is 1.8 x 10-10 and Kf for Ag(CN)2- is 1.0 x 1021, A) 0.050 M CI + Ag CN ₂ ksp=1.8x10-10 kt = 1.0x1021 B) 0.40 MI AgCl + 2CN k = x² 0.1 C) 0.20 M k = ksp kf = 1.8x1011 D) 0.10 M 0.234= -2X 1-10 Zx 0-10-2x = 1.8x10" sove quad = x= 0.050M 10) What is the pH of the resulting solution if 30.00 mL of 0.10 M acetic acid is added to 10.00 ml. of 0.10 M NaOH? Assume that the volumes of the solutions are additive. Ka 1.8x10-5 for CH₂CO₂H. (31) 5.05 - 10g (1181-8×10-5) + 10g 1x10-3 30-00.030 x 0-10M = 3x10-3 B4.44 3 = 311 10.00729= 1 C 3x10 0-010 x 0-10= 1 x 10-3 CH₂ C₂H+ NaOH → CH₂ (00 Nat 4 -3 1x10 +1x/0-3 11) What is the most soluble salt of the following set? E1x101x10-3 Ba(OH)2 with Ksp=5.0*10-3 DXFe(OH)2 with Ksp=2.5*10-37 Ca(OH)2 with Ksp=5.3x10-15 most soluble ↑ highest ksp Ca(OH)2 with Ksp=4.7 x 10-6