12 Which of the following ions can undergo redox reaction with I () OA,Pb²+ OB Hg²+ OC.Cu²+ OD Sn4+ 13 Adding excess con

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12 Which Of The Following Ions Can Undergo Redox Reaction With I Oa Pb Ob Hg Oc Cu Od Sn4 13 Adding Excess Con 1 (116.67 KiB) Viewed 21 times

12 Which of the following ions can undergo redox reaction with I () OA,Pb²+ OB Hg²+ OC.Cu²+ OD Sn4+ 13 Adding excess concentrated HCI to Cu₂0, what is the dominant species produced? () A, Cu²+ B,Cu* OC [CuCl₂³ D.[CuCl₂1² 14 Which of the following statements is incorrect ( ) A Cu (1) is more stable than Cu (II) at high temperature and dry state OB The hydration energy of Cu2+ is large, and Cu²+ is stable in aqueous solution OC To make the comproportionation reaction Cu²+ +Cu = 2 Cu* proceed, precipitating agent or complexation agent must be added solution OD No matter what condition, Cu (1) cannot exist stably in 15 Which of the following ligand can form the most stable complex ion with Hg²+? () A. NH3 B.C C.Br OD ,F 16 In a CuSO4.5H₂O crystal, the coordination number of Cu²+ is? () A 4 B.5 C.6 OD 8 17 Among the following complex anions of Ag+, the most stable one is () OA[AgF₂ OB[AgCl₂l OC .[AgBr2] OD [Agl₂