Related InterviewSolutions

• The coordination number of `Ni^(2+)` is 4. `NiCl_(2) + KCN ("excess") rarr A ("cyano comples")` `NiCl_(2) + conc. HCl ("excess") rarr B ("chloro complex")` The hybridisation of A and B areA. `dsp^(2), sp^(3)`B. `sp^(3),sp^(3)`C. `dsp^(2),dsp^(2)`D. `sp^(3)d^(2),d^(2)sp^(3)`
• Which of the following complex ion is not expected to absorb visible light?A. `[Ni(H_(2)O)_(6)]^(2+)`B. `[Ni(CN)_(4)]^(2-)`C. `[Cr(NH_(3))_(6)]^(3+)`D. `[Fe(H_(2)O)_(6)]^(2+)`
• The IUPAC name of `[Ni (NH_(3))_(4)] [NiCl_(4)]` isA. Tetrachloronickel (II) - tetraamminenickel (II)B. Tetraamminenickel (II) - tetrachloronickel (II)C. Tetraamminenickel 9II) - tetrachloronickelate (II)D. Tetrachloronickel (II) - tetraamminenickelate (0)
• Which pair gives `Cl_(2)` at room temperatureA. `HCl_("Conc." )+KMnO_(4)`B. `NaCl+H_(2)SO_(4"conc.")`C. `NaCl+MnO_(2)`D. `NaCl+HNO_(3conc.)`
• In the metallurgy of iron, when limestone is added to the blast furnace,the calcium ions end up inA. SlagB. GangueC. Metallic calciumD. Calcium carbonate
• Amongst `Ni(CO)_(4),[Ni(CN)_(4)]^(2-)` and `[NiCl_(4)]^(2-)`A. `Ni(CO)_(4)` and `NiCl_(4)^(2-)` are diamagnetic and `[Ni(CN)_(4)]^(2-)` is paramagneticB. `NiCl_(4)^(2-)` and `[Ni(CN)_(4)]^(2-)` are diamagnetci and `Ni(CO)_(4)` is paramagnetciC. `Ni(CO)_(4)` and `[Ni(CN)_(4)]^(2-)` are dimagnetic and `NiCl_(4)^(2-)` is paramagneticD. `Ni(CO)_(4)` is diamagnetic and `NiCl_(4)^(2-)` and `[Ni(CN)_(4)]^(2-)` are paramagnetic
• Zinc-copper couple that can be used as a reducing agent is obtained byA. Mixing zinc dust and copper gauzeB. Zince coated with copperC. Copper coated wth zincD. Zinc and copper wires welded together
• Amongst the following, the lowest degree of paramgnetism per mole of the compound at `298 K` will be shown byA. `MnSO_(4).4H_(2)O`B. `CuSO_(2)5H_(2)O`C. `FeSO_(4).6H_(2)O`D. `NiSO_(4).6H_(2)O`
• Which of the following is a negatively charged bidentable ligand ?A. Dimethyl glyoximatoB. CyanoC. Ethylene diamineD. Acetato
• A group of atoms can function as a ligand only when :A. It is a small moleculeB. It has an unshared electron pairC. It is a negatively charged ionD. It is a positively charged ion