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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
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)` |
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Answer» Correct Answer - A Hybridisation of Ni `K_(2)[Ni(CN)_(4)]` is `dsp^(2)` and in `K_(2)[Ni(CL_(4))]` is `sp^(3)` |
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| 2. |
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+)` |
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Answer» Correct Answer - B Not expected to absorb visible light unpaired electron in zero `i.e., [Ni(CN)_(4)]^(-2)` |
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| 3. |
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) |
| Answer» Correct Answer - C | |
| 4. |
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.)` |
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Answer» Correct Answer - A `2KMnO_(4)+16HCl rarr 2KCl+2MnCl_(2)+8H_(2)O+3Cl_(2)` |
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| 5. |
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 |
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Answer» Correct Answer - A `CaCO_(3) overset("Heat")(rarr) CaO+CO_(2),` `underset("Flux")(CaO)+underset("impurity")(SiO_(2))rarr CaSiO_(3)+CO_(2)("slag")` |
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| 6. |
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 |
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Answer» Correct Answer - C `Ni(CO)_(4)` and `[Ni(CN)_(4)]^(2-)` are diamagnetic and `NiCl_(4)^(2-)` is paramagnetic. |
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| 7. |
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 |
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Answer» Correct Answer - B Zinc-copper couple is obtained by coating by coating with copper |
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| 8. |
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` |
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Answer» Correct Answer - B `Mn^(2+)` in `MnSO_(4).4H_(2)O` has `d^(5)` configuration ( five unpaired eletrons) `: Cu^(2+` in `CuSO_(4).5H_(2)O` has `d^(9)` configuration ( one unpaired electron) , `Fe^(2+)` in `FeSO_(4).6H_92)O` has `d^(6)` configuration ( four unpaired electron ) , and `Ni^(2+)` in `NiSO_(4). 6 H_(2)O` has `d^(8)` configuration ( two unpaired electron) . Thus `CuSO_(4).5H_(2)O` has lowest degree of paramagnetism. |
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| 9. |
Which of the following is a negatively charged bidentable ligand ?A. Dimethyl glyoximatoB. CyanoC. Ethylene diamineD. Acetato |
| Answer» Correct Answer - A | |
| 10. |
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 |
| Answer» Correct Answer - B | |
| 11. |
Which one is ambidentate ligandA. `SO_(3)^(2-)`B. `CN^(-)`C. `NH_(3)`D. `H_(2)O` |
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Answer» Correct Answer - B Ambidentate ligands have two or more donor atoms but in forming complexes only one donor atom is attached to metal ion. underset("Cyano")(M larr : bar(C) N : ) ` ` underset("Isocyano")(M larr : NC^(-))` |
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| 12. |
The ligand `N(CH_(2)CH_(2)NH_(2))_(3)` isA. TridentateB. PentadentateC. TetradentateD. Bidentate |
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Answer» Correct Answer - C Number of donor atoms (N) in `N(CH_(2)CH_(2)NH_(2))` are four. So, `N(CH_(2)CH_(2)CH_(2))_(3)` is a tetradentate lligand |
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| 13. |
Carnallite in sodium of `H_2O` shows the properties ofA. `K^(+),Mg^(2+),Cl^(-)`B. `K^(+),Cl^(-),SO_(4)^(2-),Br^(-)`C. `K^(+),Mg^(2+),CO_(3)^(2-)`D. `K^(+),Mg^(2+),Cl^(-),Br^(-)` |
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Answer» Correct Answer - A Carnallite is a double salt with molecule formula `KCl.MgCl_(2).6H_(2)O`. It gives `K^(+),Mg^(2+)` and `Cl^(-)` ions in solution. |
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| 14. |
The coordination number of copper in cuprammonium sulphate isA. 2B. 6C. 4D. -4 |
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Answer» Correct Answer - C In Cuprammonium sulphae `[Cu(NH_(3))_(4)]SO_(4)` co-ordination no. of Cu is 4. |
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| 15. |
Statement-1: `NF_(3)` is a weaker ligand than `N(CH_(3))_(3)`. Statement-2: `NF_(3)` ionises to give `F^(-)` ions in aqueous solution.A. If both assertion and reason are true and the reason is the correct explanation of the asserion.B. If both assertion and reason are true but reason is not the correct explanation of the assrtion.C. if assertion is true but reason is false.D. If the assertion is false but reason is true |
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Answer» Correct Answer - C It is correct statement that `NF_(3)` is a weaker ligand than `N(CH_(3))_(3)`, the reason is that fluorine is highly electronegative therefore, it withdraw electron from nitrogen atom. Hence, the lone pair of nitrogen atom cannot be ligated. While `N(CH_(3))_(3)` is a strong ligand because `CH_(3)` has electron releasing group . |
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| 16. |
An aqueous solution of potash alum givesA. Two types of ionsB. Only one type of ionC. Four type of ionsD. Three types of ions |
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Answer» Correct Answer - D Potash alum is a mixed salt of `K_(2)SO_(4)` and `Al_(2)(SO_(4))_(3)` and on dissolving , it gives all three ion `Al^(3+),K^(+)` and `SO_(4)^(2-)` of which it is made. |
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| 17. |
The pair (s) of coordination complexes `//` ions exhibiting the same kind of isomerism is (are)A. `[Cr(NH_(3))_(5)Cl]Cl_(2)` and `[Cr(NH_(3))_(4)Cl_(2)]Cl`B. `[Co(NH_(3))_(4)Cl_(2)]^(+)` and `[Pt(NH_(3))_(2) (H_(2)O)Cl]^(+)`C. `[CoBr_(2)Cl_(2)]^(2-) ` and `[PtBr_(2)Cl_(2)]^(2-)`D. `[Pt(NH_(3))_(2)(NO_(2))]Cl` and `[Pt(NH_(3))_(2)Cl]Br` |
| Answer» Correct Answer - B::D | |
| 18. |
In which of the following complexes oxidation state of metal is zeroA. `[Pt (NH_(3))_(2)Cl_(2)]`B. `[Cl(CO)_(6)]`C. `[Cr(NH_(3))_(3)Cl_(3)]`D. `[Cr( e n)_(2)Cl_(2)]` |
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Answer» Correct Answer - B The oxidation state of metal in metal carbonyl is zero. |
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| 19. |
The value of x in `[Cr(H_(2)O)_(6)]^(x)` when Cr is in +3 oxidation state isA. `+3`B. `+2`C. `+4`D. `+6` |
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Answer» Correct Answer - A `[Cr(H_(2)O)_(6)]^(x),(Cr= +3) (H_(2)O=0)` `x= 3 +0(6) implies x= +3` |
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| 20. |
The effective atomic number of cobalt in the complex `[Co(NH_3)_6]^(3+)` isA. 36B. 33C. 24D. 30 |
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Answer» Correct Answer - A EAN`=` at no. of central atom - oxidation state `+ 2 xx `( no. of ligands) ` = 27 -3+ 2 xx 6 = 36` |
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| 21. |
`[Ti(H_(2)O)_(6)]^(3+)` is paramagnetic in nature due toA. One upaired ofB. Two unparied `e^(-)`C. Three unpaired `e^(-)`D. No unpaired `e^(-)` |
| Answer» Correct Answer - A | |
| 22. |
Among the following the compound that is both paramagnetic and coloured isA. `K_(2)Cr_(2)O_(7)`B. `(NH_(4))_(2)(TiCl_(6))`C. `CoSO_(4)`D. `K_(3)[Cu(CN)_(4)]` |
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Answer» Correct Answer - C In `(NH_(4))_(2)(TiCl_(6)),Ti^(4+)(3d^(0)4s^(0))` has no unpaired electrons. In `K_(2)Cr_(2)O_(7),Cr^(6+)(3p^(6)d^(0))` has no unpaired electrons. In `CoSO_(4),Co^(2+)(d^(7))` has unpaired electrons in d- orbitals, so it is both paramagnetic and coloured. In `K_(3)[Cu(CN)_(4)],Cu^(+)(3d^(10))`, no unpaired electron. |
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| 23. |
An aqueous solution `FeSO_(4).Al_(2)(SO_(4))_(3)` and chrome alum is heated with excess of `Na_(2)O_(2)` and fltered. The materials obtained areA. A colourless filtrate and a green residueB. A yellow filtrate and a green residueC. A yellow filtrate and a brown residueD. A green filtrate and a brown residue |
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Answer» Correct Answer - C The filtrate is yellow due to `CrO_(4)^(2-)` ion and residue is brown due to `Fe(OH)_(3)` |
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| 24. |
Which compound does not dissolve in hot dilute `HNO_(3)` ?A. `HgS`B. `PbS`C. `CuS`D. `CdS` |
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Answer» Correct Answer - A HgS does nott dissolve in hot dil. `HNO_(3)` |
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| 25. |
Which of the following is an organometallic compoundA. Lithium methoxideB. Lithium actateC. Lithiumum dimethylamideD. Methyl lithium |
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Answer» Correct Answer - D Organometallic compounds are those compounds in which metal atom is directly bonded with C-atom. `H_(3)C-Li` |
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| 26. |
Ziegler -Natta catalyst is an organometallic compound of which metalA. IronB. ZirconiumC. RhodiumD. Titanium |
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Answer» Correct Answer - D `(CH_(3)CH_(2))_(3) Al+ TiCl_(4) ` si the Ziegler -Natta catalyst. |
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| 27. |
Correct increasing order for the wavelength of absorption in the visible region for the complexes of `Co^(3+)` is:A. `[Co(H_(2)O)_(6)]^(3+),[Co(en)_(3)]^(3+),[Co(NH_(3))_(6)]^(3+)`B. `[Co(H_(2)O)_(6)]^(3+),[Co(NH_(3))_(6)]^(3+),[Co(en)_(3)]^(3+)`C. `[Co(NH_(3))_(6)]^(3+),[Co(en)_(3)]^(3+),[Co(H_(2)O)_(6)]^(3+)`D. `[Co(en)_(3)]^(3+),[Co(NH_(3))_(6)]^(3+),[Co(H_(2)O)_(6)]^(3+)` |
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Answer» Correct Answer - D `[epsilon_(a) prop (1)/(lambda _(a))]` ,brgt where `epsilon_(a) implies ` abosrbed energy ( splitting energy ) ` lambda_(a) implies ` absorbed wavelength `H_(2)O lt NH_(3) lt en` ligand strength `uarr` splitting energy `uarr` so absorbed `lambda darr` |
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| 28. |
Which of the following is expected to be a paramagnetic complex?A. `[Ni(H_(2)O)_(6)]^(2+)`B. `[Ni(CO)_(4)]`C. `[Zn(NH_(3))_(4)]^(2+)`D. `[Co(NH_(3))_(6)]^(+3)` |
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Answer» Correct Answer - A The configuration of `Ni^(2+)` has two unpaired electron so it is paramagnetic. |
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| 29. |
Silver sulphide dissolved in a solution of sodium cyanide to coupledA. `Na[Ag(CN)_(2)]`B. `Na_(3)[Ag(CN)_(4)]`C. `Na_(5)[Ag(CN)_(6)]`D. `Na_(2)[Ag(CN)_(2)]` |
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Answer» Correct Answer - A `Ag_(2)S + NaCN hArr Na[Ag(CN)_(2)]+Na_(2)S`. |
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| 30. |
A solution containing 2.675 g of `CoCl_(3).6NH_(3)` (molar mass = 267.5 g `mol^(-1)` is passed through a cation exchanger. The chloride ions obtained in solution are treated with excess of `AgNO_(3)` to give 4.78 g of AgCl (molar mass = 143.5 g `mol^(-1)` ). The formula of the complex is (At.mass of Ag = 108 u ) .A. `[CoCl(NH_(3))_(5)]Cl_(2)`B. `[Co(NH_(3))_(6)]Cl_(3)`C. `[CoCl_(2)(NH_(3))_(4)]Cl`D. `[CoCl_(3)(NH_(3))_(3)]` |
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Answer» Correct Answer - B Moles of `CoCl_(3).6NH_(3) = ( 2.675)/(267.5) = (1)/(100) `mole `= 0.01` mole Mole of `AgCl= (4.78 )/(143.5) = (3)/(100)` mole `=0.03` mole 0.01 mole of compound gives moles of `AgCl= 0.03` mole So, 1 mole of compound gives moles of `AgCl = (0.03)/(0.01) = 3` mole. So, structural formula of compound having `3Cl^(-)` ions out side of coordination sphere, so formula is `[Co(NH_(3))_(6)]Cl_(3)` |
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| 31. |
Which one of the following forms with an excess of `CN^(-)` (Cyanide) a complex having coordination number twoA. `Cu^(+)`B. `Ag^(+)`C. `Ni^(2+)`D. `Fe^(2+)` |
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Answer» Correct Answer - B `Ag^(+)` has coordination number two and forms complex with excess of `CN^(-) Ag(CN)_(2)`. |
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| 32. |
Which of the following organo-silicon compound on hydrolysis will give a three dimensional siliconeA. `R_(3)SiCl`B. `RSiCl_(3)`C. `SiCl_(4)`D. `R_(2)SiCl_(2)` |
| Answer» Correct Answer - B | |
| 33. |
`Ag^(+)+NHP(3)hArr[Ag(NH_(3))]^(+), K_(1)=3.5=10^(-3)` `[Ag(NH)_(3)]^(+)+NH_(3)hArr[Ag(NH_(3))_(2)]^(+),K_(2)=1.7xx10^(-3)` then the formation constant of `[Ag(NH_(3))_(2)]^(+)` isA. `6.08 xx 10^(-6)`B. `6. 08 xx 10^(6)`C. `6.08 xx 10^(-7)`D. None of these |
| Answer» Correct Answer - A | |
| 34. |
Which of the following pairs represents linkage isomersA. `[Cu(NH_(3))_(4)][PtCl_(4)]` and `[Pt(NH_(3))_(4)][CuCl_(4)]`B. `[Pd(P Ph_(3))_(2)(NCS)_(2)` and `[Pd(P Ph_(3))_(2)(SCN)_(2)]`C. `[Co(NH_(3))_(5)NO_(3)]SO_(4)` and `[Co(NH_(3))_(5)SO_(4)]NO_(3)`D. `[PtCl_(2)(NH_(3))_(4)]Br_(2)` and `[Pt Br_(2)(NH_(3))_(4)]Cl_(2)` |
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Answer» Correct Answer - B `SCN^(-)` ion can coordinate through the sulphur or nitrogen atom. Such possibilities give rise to linkage isomerism in coordination compounds. `M larr SCN` Thiocyanato or thiocyanato -S `M larr NCS` Isothiocyanato or thiocyanato-N |
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| 35. |
Which one of the following will give a white precipitate with `AgNO_(3)` in aqueous mediumA. `[Co(NH_(3))_(5)Cl](NO_(2))_(2)`B. `[Pt(NH_(3))_(2)Cl_(2)]`C. `[Pt(en)Cl_(2)]`D. `[Pt(NH_(3))_(3)]Cl_(2)` |
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Answer» Correct Answer - D `[Pt(NH_(3))_(4)]Cl_(2) rarr [Pt (NH_(3))_(4)]^(+2)+2Cl^(-)` As it gives `Cl^(-)` ion in soluiotn so it will give white ppt. of AgCl with `AgNO_(3)` |
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| 36. |
`[Co(NH_(3))_(5)Br]SO_(4)` and `[Co(NH_(3))_(5)SO_(4)]Br` are examples of which of the following type of isomerism ?A. LinkageB. GeometricalC. IonizationD. Optical |
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Answer» Correct Answer - C The two given compounds have same composition but in solution both will give ions. This type of isomerism is known as ionisation isomerism. |
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| 37. |
Which is high spin complexA. `[CoF_(6)]^(3-)`B. `[Fe(CN)_(6)]^(3-)`C. `[Fe(CN)_(6)]^(4)`D. None of these |
| Answer» Correct Answer - A | |
| 38. |
Which of the following is diamagnetic in natureA. `Co^(3+)` octahedral complex with weak field ligandsB. `Co^(3+)` octahedral complex with strong field ligandsC. `CO^(2+)` in tetrahedral complexD. `Co^(2+)` in square planar complex |
| Answer» Correct Answer - B | |
| 39. |
Which one of the following complexes is not diamagneticA. `[Fe(CN)_(6)]^(4-)`B. `[Ti(H_(2)O)_(6)]^(3+)`C. `[Pt(CN)_(4)]^(2-)`D. `[Co(NH_(3))_(6)]^(3+)` |
| Answer» Correct Answer - B | |
| 40. |
Which of the following carbonyls will have the strongest C-O bondA. `V (CO)_(6)^(-)`B. `Fe(CO)_(5)`C. `Mn(CO)_(6)^(+)`D. `Cr(CO)_(6)` |
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Answer» Correct Answer - C As `+` ve charge on the central metal atom increases, the less readily the metal can donate electron density into the `pi^(**)` orbitals of CO ligand to weaken the C-O bond. Hence C-O bond would be strongest in `Mn(CO)_(6)^(+)` |
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| 41. |
Which one of the following has largest number of isomers?A. `[Ir(P P_(3))_(2)H(CO)]^(2+)`B. `[Co(NH_(3))_(5)Cl]^(2+)`C. `[Ru(NH_(3))_(4)Cl_(2)]^(+)`D. `[Co(en)_(2)Cl_(2)]^(+)` |
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Answer» Correct Answer - D `[Co(en)_(2)Cl_(2)]^(+)` shows geometrical as well as optical isomerism. |
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| 42. |
The crystal field stabilization energy (CFSE) is the highest forA. `[CoF_(4)]^(2-)`B. `[Co(NCS)_(4)]^(2-)`C. `[Co(NH_(3))_(6)]^(3+)`D. `[CoCl_(4)]^(2-)` |
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Answer» Correct Answer - C Higher the oxidation state of the metal, greater the crystal field splitting energy . In options (a), (b) and (d), Co is present in `+2` oxidation state and in (c ) it is present in `+3` oxidation state and hence has a higher value of CFSE. |
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| 43. |
The non -existant metal carbonyl among the following is `A. `Cr(CO)_(6)`B. `Mn(CO)_(5)`C. `Ni(CO)_(4)`D. `Fe(CO)_(5)` |
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Answer» Correct Answer - B By applying the EAN rule, the stability of metal carbonyls can be predicted. All the given metal carbonyls except `Mn(CO)_(3)` follow the EAN rul and thus, it exists as dimer `Mn_(2(CO)_(10)` |
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| 44. |
Co-ordination number of `Fe` in the complexes `[Fe(CN)_6]^(4-)`, `[Fe(CN)_6]^(3-)` and `[FeCl_4]^(-)` would be respectivelyA. 2,3,3B. 6,64C. 6,3,3D. 6,4,6 |
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Answer» Correct Answer - B Co-ordination number is equal to total number of ligands in a complex. |
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| 45. |
The IUPAC name of `K_(2)[Cr(CN)_(2)O_(2)(O)_(2)(NH_(3))]` is :A. Potassium ammine dicyano dioxoperoxochromate (VI)B. Potassium ammine cyano peroxo dioxo chromium (VI)C. Potassium ammine cyano peroxo dioxo chromiun (VI)D. Potassium ammine cyano peroxo dioxo chromatic (IV) |
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Answer» Correct Answer - A It is potassium ammine dicyano dioxo peroxo-chromate (VI). |
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| 46. |
IUPAC name of complex `K_(3)[Al(C_(2)O_(4))_(3)]` isA. Potassiu alumino oxalatoB. Potassium aluminium (III) trioxalateC. Potassium trioxalato aluminate (III)D. Potassium trioxalato aluminate (IV) |
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Answer» Correct Answer - C Follow IUPAC rule |
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| 47. |
Double salts are addition compounds which lose their identify in aqueous solution whereas complexes which are also addition compounds do not lose their identify in aqueous solution. The coordination compounds show isomerism and find application in photography , qualitative analysis, metallurgy, water purification and in the treatment of various diseases. Which of the following statement is incorrect ?A. Alum is a double saltB. EDTA salt of calcium is used in the treatment of lead poisoningC. Effective atomic number of the metals in complexes `[Ni(CO)_(4)]` and `[Fe(CN)_(6)]^(4-)`D. Chloridotris (triphenylphosphine) rhodium (I) is effective heterogeneous catalyst for hydrogenation of alkenes |
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Answer» Correct Answer - D It is homogeneous catalyst for hydrogenation of alkenes. |
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| 48. |
Which of the following compounds exhibits linkage isomerism?A. `[Co(en)_(3)]Cl_(3)`B. `[Co(NH_(3))_(6)[Cr(CN)_(6)]`C. `[Co(en)_(2)NO_(2)Cl]Br`D. `[Co(NH_(3))_(5)Cl]Br_(2)` |
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Answer» Correct Answer - C `[Co(en)_(2)NO_(2)Cl]Br, [Co(en)_(2)ONOCl]Br`. |
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| 49. |
When a metal rod M is dipped into an aqueous colourless concetrated solution of compound N, the solution turns light blue. Addition of aqueous NaCl to the blue solution gives a white precipitate O. Addition of aqueous `NH_3` dissolves O and gives an intense blue solution. Q. The final solution contains.A. `[Pb(NH_(3))_(4)]^(2+)` and `[CoCl_(4)]^(2-)`B. `[Al(NH_(3))_(4)]^(3+)` and `[Cu(NH_(3))_(4)]^(2+)`C. `[Ag(NH_(3))_(2)]^(+)` and `[Cu(NH_(3))_(4)]^(2+)`D. `[Ag(NH_(3))_(2)]^(+)` and `[Ni(NH_(3))_(6)]^(2+)` |
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Answer» Correct Answer - C `Cu(M) +AgNO_(3) ( "aqueous colorless solution ") rarr "Resultant solution " underset((N)(blue solution)")((Cu(NO_(3))_(2)+AgNO_(3)))` Note `:` Here it is considered that complete `AgNO_(3)` is not utilized in the reaction `AgNO_(3)+NaClrarrunderset((O)(whiter ppt.)")(AgCldarr+NaNO_(3))` Solution containing white ppt. of AgCl also contains `Cu(NO_(3))_(2)` which developed deep blue colouration with aqueous `NH_(3)` solution . `AgCldarr ("white")+2NH_(3)(aq). rarr [Ag(NH_(3))_(2)]^(+)` `Cu(NO_(3))_(2)(aq.)+4NH_(3)(aq.) rarr underset("(deep blue coloration)")([Cu(NH_(3))_(4)](NO_(3))_(2)` So, Metal rod M is Cu. The compound N is `AgNO_(3)` and the final solution contains `[Ag(NH_(3))_(2)]^(+)` and `[Cu(NH_(3))_(4)]^(2+)` |
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| 50. |
Which one of the following will not show geometrical isomerism?A. `[Cr(NH_(3))_(4)Cl_(2)]Cl`B. `[Co(en)_(2)Cl_(2)]Cl`C. `[Co(NH_(3))_(5)NO_(2)]Cl_(2)`D. `[Pt(NH_(3))_(2)Cl_(2)]` |
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Answer» Correct Answer - C `[Co(NH_(3))_(5)NO_(2)]Cl_(2)` will not show geometrical isomerism because this complex shows 4 and 6 co-ordination number. |
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