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111In最稳定的价态是下列哪种,可以与含配位基团的分子络合,形成配位数为6的络合物()
- A、+1份
- B、+3价
- C、+5价
- D、+6价
- E、+7价
正确答案:B
111In最稳定的价态是下列哪种,可以与含配位基团的分子络合,形成配位数为6的络合物()。
- A、+1份
- B、+3价
- C、+5价
- D、+6价
- E、+7价
正确答案:B
111In最稳定的价态是下列哪种,可以与含配位基团的分子络合,形成配位数为6的络合物()
- A、+1份
- B、+3价
- C、+5价
- D、+6价
- E、+7价
正确答案:B
111In最稳定的价态是下列哪种,可以与含配位基团的分子络合,形成配位数为6的络合物()
- A、+1份
- B、+3价
- C、+5价
- D、+6价
- E、+7价
正确答案:B
111In最稳定的价态是下列哪种,可以与含配位基团的分子络合,形成配位数为6的络合物()
- A、+1份
- B、+3价
- C、+5价
- D、+6价
- E、+7价
正确答案:B
络合物该章总题数:461. (本题难度系数15) Ni(en)32+离子中镍的价态和配位数是-( ) A +2,3 B +3,6 C +2,6 D +3,32. (本题难度系数15) Co(SCN)42离子中钴的价态和配位比分别是-( ) A 2,4 B +2,4 C +3,2 D +2,123. (本题难度系数15)0.01 mol氯化铬(CrCl3 6H2O)在水溶液中用过量AgNO3处理,产生0.02 mol AgCl沉淀,此氯化铬最可能为-( ) A Cr (H2O)6Cl3 B Cr (H2O)5ClCl2 H2O C Cr (H2O)4Cl2Cl 2H2O D Cr (H2O)3Cl3 3H2O4. (本题难度系数30) 已知水的Kf = 1.86,0.005 mol kg1化学式为FeK3C6N6的配合物水溶液,其凝固点为0.037摄氏度,这个配合物在水中的离解方式-( ) A FeK3C6N6 Fe3+ + K3 (CN) B FeK3C6N6 3K+ + Fe (CN) C FeK3C6N6 3KCN + Fe (CN) + CN D FeK3C6N6 3K+ + Fe3+ + 6 CN5. (本题难度系数30)在 Co (C2O4) 2 (en) 中,中心离子Co3+的配位数为-( ) A 3 B 4 C 5 D 66. (本题难度系数30) Al3+ 与EDTA形成-( ) A 鳌合物 B 聚合物 C 非计量化合物 D 夹心化合物7. (本题难度系数30)已知某金属离子配合物的磁矩为4.90 B.M.,而同一氧化态的该金属离子形成的另一配合物,其磁矩为零,则此金属离子可能为-( ) A Cr ( III ) B Mn ( II ) C Fe ( II ) D Mn ( III )8. (本题难度系数30)已知巯基(SH)与某些重金属离子形成强配位键,预计是重金属离子的最好的鏊合剂的物质为-( ) A CH3 SH B H SH C CH3 S S CH3 D HS CH2 CH OH CH3 9. (本题难度系数15) Fe3+具有d5电子构型,在八面体场中要使配合物为高自旋态,则分裂能 和电子成对能P所要满足的条件是-( ) A 和P越大约好 B P C HgCl4 2 Hg(CN)4 2 B Co(NH3)63+ Co(SCN)4 2 Co(CN)6 3 C Ni(en)32+ Ni(NH3)62+ Ni(H2O)62+ D Fe(SCN)6 3 Fe(CN)6 3 Fe (CN)6 412. (本题难度系数30)Ni (CN)4 2是平面四方形构型,中心离子的杂化轨道类型和d电子数分别是-( ) A s p 2 ,d 7 B s p3 ,d 8 C d 2 s p 3 ,d 6 D d s p2 ,d 813. (本题难度系数15)下列配合物中,属于螯合物的是-( ) A Ni (en)2Cl2 B K2PtCl6 C (NH4) Cr (NH3)2 (SCN)4 D LiAlH414. (本题难度系数15)Ca (EDTA)2配离子中,Ca2+的配位数是-( ) A 1 B 2 C 4 D 615. (本题难度系数15)向Cu (NH3)42+水溶液中通入氨气,则-( ) A K稳 Cu(NH3)42+ 增大 B Cu2+增大 C K稳 Cu(NH3)42+ 减小 D Cu2+减小16. (本题难度系数15)在0.20 mol dm3 Ag (NH3)2Cl溶液中,加入等体积的水稀释(忽略离子强度影响),则下列各物质的浓度为原来浓度的1/2的是-( ) A c( Ag (NH3)2Cl) B 离解达平衡时 c (Ag+) C c(NH3H2O) D c(OH-)17. (本题难度系数15)下列反应中配离子作为氧化剂的反应是-( ) A Ag (NH3)2Cl + KI AgI + KCl + 2NH3 B 2Ag (NH3)2OH + CH3CHO CH3COOH + 2Ag + 4NH3 + H2O C Cu (NH3)42+ + S2 CuS + 4NH3 D 3Fe (CN)6 2 + 4Fe3+ Fe4 Fe (CN)6318. (本题难度系数30)当0.01 mol CrCl3 6H2O在水溶液中用过量硝酸银处理时,有0.02 mol氯化银沉淀出来,此样品中配离子的最可能表示式是-( ) A Cr (H2O)62+ B CrCl (H2O)52+ C CrCl (H2O)32+ D CrCl2 (H2O)4 +19.下列溶液中Zn2+最小的是: A 1mol/L Zn(CN)42- Kd = 210-17 B 1mol/L Zn(NH3)42+ Kf = 2.810 9 C 1mol/L Zn(OH)42- Kd = 2.510-16 D 1mol/L Zn(SCN)42- pKf = - 1.348.能较好地溶解AgBr的试剂是 ( ) A、NH3H2O B、HNO3 C、Na2S2O3 D、HF20.下列说法何种欠妥A配合物中心原子是中性原子或带正电荷的离子。B螯合物以六员环、五员环较稳定。C配位数就是配位体的个数。D二乙二胺合铜()离子比四氨合铜()离子稳定。21.下列配离子能在强酸中能稳定存的是 AFe(C2O4)3- BAlF63- CMn(NH3)62+ DAgCl2-22. 下列说法中错误的是A.铜容器不能用于储存氨水。B.Ag(NH3)2+的氧化能力比相同浓度的Ag+可以破坏强。C.加碱可以破坏Fe(SCN)63-。D. Fe(SCN)63-中的Fe3+能被SnCl2还原。23 EDTA的酸效应系数在一定酸度下等于( )。A、c(Y4-)/cY B、cY/c(Y4-)C、c(H+)/cY D、cY/c(H4Y)24 用EDTA滴定金属离子M,若要求相对误差小于0.1%,则滴定的酸度条件必须满足( )。式中,cM为滴定开始时金属离子的浓度;为EDTA的酸效应系数;KMY为金属离子M与EDTA的配合物稳定常数;为金属离子M与EDTA配合物的条件稳定常数。A、 B、C、 D、25当溶液中有两种(M,N)金属离子共存时,欲以EDTA滴定M而使N不干扰,则要求( )。A、 B、C、 D、26某溶液主要含有Ca2+、Mg2+及少量Fe3+、Al3+。今在pH=10时,加入三乙醇胺后,用EDTA滴定,用铬黑T为指示剂,则测出的是(
111In最稳定的价态是下列哪种,可以与含配位基团的分子络合,形成配位数为6的络合物()
- A、+1份
- B、+3价
- C、+5价
- D、+6价
- E、+7价
正确答案:B
111In最稳定的价态是下列哪种,可以与含配位基团的分子络合,形成配位数为6的络合物()
- A、+1份
- B、+3价
- C、+5价
- D、+6价
- E、+7价
正确答案:B
111In最稳定的价态是下列哪种,可以与含配位基团的分子络合,形成配位数为6的络合物()
- A、+1份
- B、+3价
- C、+5价
- D、+6价
- E、+7价
正确答案:B
111In最稳定的价态是下列哪种,可以与含配位基团的分子络合,形成配位数为6的络合物()
- A、+1份
- B、+3价
- C、+5价
- D、+6价
- E、+7价
正确答案:B
111In最稳定的价态是下列哪种,可以与含配位基团的分子络合,形成配位数为6的络合物()
- A、+1份
- B、+3价
- C、+5价
- D、+6价
- E、+7价
正确答案:B
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