Description : Which of the following isomerism is/are shown by the complex `[CoCl_(2)(H_(2)O)_(2)(NH_(3))_(2)]` Br ?
Last Answer : Which of the following isomerism is/are shown by the complex `[CoCl_(2)(H_(2)O)_(2)(NH_(3)) ... ? A. Ionization B. Linkage C. Geometrical D. optical
Description : The oxidation number and co-ordination number of chromium in complex ion `[Cr(C_(2)O_(4))_(2)(H_(2)O)_(2)]^(-)` are
Last Answer : The oxidation number and co-ordination number of chromium in complex ion `[Cr(C_(2)O_(4))_(2)(H_(2)O)_(2)]^(-)` are A. 3,6 B. 2,6 C. 2,8 D. 3,8
Description : Find the sum of number of geometrical isomers for following complexes. `(a) [CoCl_(2)Br_(2)]^(2-) " " (b) [Rh(en)_(3)]^(3+) " " ( c) [Cr(en)_(2)Br_(2)
Last Answer : Find the sum of number of geometrical isomers for following complexes. `(a) [CoCl_(2)Br_(2)]^(2-) " " (b) [Rh(en ... e) [Co(NH_(3))_(3)(NO_(2))_(3)]`
Description : The number of geometrical isomers for octahedral `[CoCl_(4)(NH_(3))_(2)]^(-)`, square planar `[AuBr_(2)Cl_(2)]^(-)` and `[PtCl_(2)(en)]` are
Last Answer : The number of geometrical isomers for octahedral `[CoCl_(4)(NH_(3))_(2)]^(-)`, square planar `[AuBr_(2)Cl_(2)]^(-) ... are A. 4,2 B. 2,2 C. 3,2 D. 2,3
Description : How many isomers are possible for the complex `[Co(en)_(2)Cl_(2)]`(en=ethylene diamine )
Last Answer : How many isomers are possible for the complex `[Co(en)_(2)Cl_(2)]`(en=ethylene diamine ) A. 4 B. 2 C. 6 D. 3
Description : Three arrangements are shown for the complex `[Co(en)(NH_(3))_(2)Cl_(2)]^(+)` pick up the wrong statement.
Last Answer : Three arrangements are shown for the complex `[Co(en)(NH_(3))_(2)Cl_(2)]^(+)` pick up ... are optical isomers D. II and III are geometrical isomers.
Description : Oxidation state of cobalt in `[Co(NH_(3))_(4)(H_(2)O)Cl]SO_(4)` is
Last Answer : Oxidation state of cobalt in `[Co(NH_(3))_(4)(H_(2)O)Cl]SO_(4)` is
Description : Arrange the following in increasing order as directed. `(a) (i) [CoCl_(3)(NH_(3))_(3)]," "(ii)[CoCl(NH_(3))_(5)]Cl_(2)," "(iii)[Co(NH_(3))_(6)]Cl_(3),
Last Answer : Arrange the following in increasing order as directed. `(a) (i) [CoCl_(3)(NH_(3))_(3)]," "(ii)[CoCl(NH_ ... -),NH^(3),NO^(3)^(-)`-strength of ligands.
Description : A six co-ordinate complex has the formula `CoCl_(3).5NH_(3).H_(2)O`. Electrical coductance measurements indicate the presence of three ions in one for
Last Answer : A six co-ordinate complex has the formula `CoCl_(3).5NH_(3).H_(2)O`. Electrical coductance measurements indicate the ... complex? A. 3 B. 2 C. 4 D. 1
Description : (i) Write down the IUPAC name of the following complex : [Cr(NH3)2CI3(en)]Cl (en = ethylenediamine) (ii) Write the formula for the following complex : Pentaamminenitrito-o-Cobalt (III) -Chemistry
Last Answer : (I) [Cr(NH3)2Cl3(en)]Cl IUPAC name : Diammine dichlorido ethylenediamine chromium (III) chloride. (ii) [Co(NH3)5(ONO)]2+
Description : Co-ordination number of platinum in `[Pt(NH_(3))_(4)Cl_(2)]^(2+)` ion is :
Last Answer : Co-ordination number of platinum in `[Pt(NH_(3))_(4)Cl_(2)]^(2+)` ion is : A. 4 B. 2 C. 8 D. 6
Description : `NiCl_(2) overset(KCN)to "complex"A` `NiCl_(2) underset("excess") overset(KCl)to "complex"B` A & B complexes have the co-ordination number 4. The hybr
Last Answer : `NiCl_(2) overset(KCN)to "complex"A` `NiCl_(2) underset("excess") overset(KCl)to "complex"B` A & B complexes have ... ^(2) & sp^(3)` D. both `sp^(3)`
Description : For the complex [Fe(en)2Cl2], Cl, (en = ethylene diamine), identify (i) the oxidation number of iron, (ii) the hybrid orbitals and the shape of the complex, (iii) the magnetic behaviour of the complex, (iv) ... an optical isomer also, and (vi) name of the complex. (At. no. of Fe = 26) \ -Chemistry
Last Answer : i) [Fe(en)2Cl2] Cl or x + 0 + 2 (-1) + (-1) = 0 x + (- 3) = 0 or x = + 3 ∴ Oxidation number of iron, x = + 3 (ii) The complex has two bidentate ligands and two ... )2Cl2] Cl, only cis-isomer shows optical isomerism. (vi) Name of complex: Dichloridobis (ethane-1, 2- diamine) Iron (III) chloride
Description : Co-ordination compounds `[Pt(NH_(3))_(3)(NCS)]` and `[Pt(NH_(3))_(2) Cl_(2)]Cl` are example of ........ Isomerism
Last Answer : Co-ordination compounds `[Pt(NH_(3))_(3)(NCS)]` and `[Pt(NH_(3))_(2) Cl_(2) ... isomerism B. linkage isomers C. optical isomerism D. hydrate isomerism
Description : When a co-ordination compound CrCl3.6H2O is mixed with AgNO3, 2 moles of AgCl are precipitated per mole of the compound. Write (i) Structural formula of the complex. (ii) IUPAC name of the complex. -Chemistry
Last Answer : (i) The complex formed on mixing a coordination compound CrCl3.6H2O with AgNO3 is as follows CrCl3.6H2O + AgNO3 → [Cr(H2O5)Cl]Cl2. H2O (ii) Pentaaquachloridochromium (III) chloride monohydrate
Description : How is the stability of a co-ordination compound in solution decided ? How is the dissociation constant of a complex defined? -Chemistry
Last Answer : Stability of a complex in solution means the measure of resistance to the replacement of a ligand by some other ligand. This stablility can be expressed in terms of equilibrium constant. Let the ... is its tendency to donate electron pair and therefore, more is the stability of the complex.
Description : The complex that exhibits Co-ordination isomerism is
Last Answer : The complex that exhibits Co-ordination isomerism is A. `[Cr(NCS)(H_(2)O)_(5)]^(2+)` B. `[Cr(NH_(3))_(6)] ... ]` D. `[CoCl_(2)(NH_(3))_(4)]Cl.H_(2)O`
Description : Low geographical concentration with High co-ordination suggests which International Strategy? A. Complex Export B. Multi-Domestic C. Simple Export D. Global Strategy
Last Answer : Global Strategy
Description : High geographical concentration with High co-ordination suggests which International Strategy? A. Global Strategy B. Complex Export C. Simple Export D. None of the above
Last Answer : Complex Export
Description : The IUPAC name of the complex `[PT(en)(NH_(3))(cl)_(2)(ONO)][Ag(CN)_(2)]` is :
Last Answer : The IUPAC name of the complex `[PT(en)(NH_(3))(cl)_(2)(ONO)][Ag(CN)_(2 ... (ethane-1,2-diammine) nitritioplatinum(IV) dicyanoargentate (I)
Description : The IUPAC name of complex `[Cu(en)_(2)(H_(2)O)_(2)]^(22+)`
Last Answer : The IUPAC name of complex `[Cu(en)_(2)(H_(2)O)_(2)]^(22+)` A. ethylene ... C. diaquobisdietyleamineCU(II)ion D. diaquobis(ethylenediamine)cuprate(II)
Description : How many isomeric forms are possible for the octahedral complex. `[Rh(en)_(2)(NO_(2))(SCN)]^(+)` ?
Last Answer : How many isomeric forms are possible for the octahedral complex. `[Rh(en)_(2)(NO_(2))(SCN)]^(+)` ?
Description : Consider the following reaction and statements: `[Co(NH_(3))_(4)Br_(2)]^(+)+Br^(-) to [Co(NH_(3))_(3)Br_(3)]+NH_(3)` Two isomers are produced if the r
Last Answer : Consider the following reaction and statements: `[Co(NH_(3))_(4)Br_(2)]^(+)+Br^(-) to [Co(NH_(3))_(3) ... II B. III and IV C. I and IV D. II and III
Description : Cosider the following reaction and statements: `[Co(NH_(3))_(4)Br]^(+)+Br^(-) to [Co(NH_(3))_(3)Br]+NH_(3)` (I) Two isomers are produced if the reacta
Last Answer : Cosider the following reaction and statements: `[Co(NH_(3))_(4)Br]^(+)+Br^(-) to [Co(NH_(3))_(3)Br]+NH_(3) ... (IV) C. (I) and (III) D. (I) and (III)
Description : Which of the following complexes can exists as enantiomers ? Draw their structures `(a) cis-[Co(NH_(3))_(4)Br_(2)]^(+) " " (b) cis-[Cr(H_(2)O)_(2)(en)
Last Answer : Which of the following complexes can exists as enantiomers ? Draw their structures `(a) cis-[Co(NH_(3))_(4)Br_(2)]^ ... [Co(NH_(3))_(2)(en)_(2)]^(2+)`
Description : What type of isomers are the following : `(i) [Mn(CO)_(5)SCN] and [Mn(CO)_(5)NCS]` `(ii) [Co(en)_(3)[Cr(CN)_(6)] and [Cr(en)_(3)][Co(CN)_(6)]` `(iii)
Last Answer : What type of isomers are the following : `(i) [Mn(CO)_(5)SCN] and [Mn(CO)_(5)NCS]` `(ii) [Co(en)_(3)[Cr( ... ]Cl and [Co(H_(2)O)Cl_(3)(py)_(2)]H_(2)O`
Description : How many geomatrical isomers are possible for each of the following complexes ? `(a) [Pt(NH_(3))_(2)(SCN)_(2)] " " (b) [CoCl_(2)Br_(2)]^(2-)("tetrahed
Last Answer : How many geomatrical isomers are possible for each of the following complexes ? `(a) [Pt(NH_(3))_(2)(SCN)_(2)] " " ... (+) " " (f) [Rh(en)_(3)]^(3+)`
Description : Which of the following is more stable complex and why? [Co(NH3)6]3+ and [Co(en)3]3+ -Chemistry
Last Answer : Co(en)3]3+ is more stable complex than [CO(NH3)6]3+ because of chelate effect.
Description : On treatment of 100mL of 0.1 M solution of `CoCl_(3).6H_(2)O` with excess `AgNO_(3),1.2xx10^(22)` ions are precipitated. The complex is :
Last Answer : On treatment of 100mL of 0.1 M solution of `CoCl_(3).6H_(2)O` with excess `AgNO_(3),1.2xx10^(22)` ions are ... `[Co(H_(2)O)_(4)Cl_(2)]Cl.2H_(2)O`
Description : `Co^(2+)(aq.)+SCN^(-) (aq.) to "Complex"(X)` `Ni^(2+)(aq.) +"Dimethylglyoxime" overset(NH_(4)OH) to "Complex"(Y)` The coordination number of cobalt an
Last Answer : `Co^(2+)(aq.)+SCN^(-) (aq.) to "Complex"(X)` `Ni^(2+)(aq.) +"Dimethylglyoxime" overset(NH_ ... (Y) is diamagnetic D. (X) and (Y) both are diamagnetic.
Last Answer : `Co^(2+)(aq.)+SCN^(-) (aq.) to "Complex"(X)` `Ni^(2+)(aq.) +" ... both tetrahedral C. square planar and tetrahedral D. both square planar.
Last Answer : `Co^(2+)(aq.)+SCN^(-) (aq.) to "Complex"(X)` `Ni^(2+)(aq.) +" ... . tetrathiocyanoato-S-cobaltate(III) and bis(dimethylglyoximato) nickel (II).
Description : The spin magnetic moment of cobalt in the compound , `Hg[Co(SCN)_(4)]` is :
Last Answer : The spin magnetic moment of cobalt in the compound , `Hg[Co(SCN)_(4)]` is : A. `sqrt(3)` B. `sqrt(8)` C. `sqrt(12)` D. `sqrt(24)`
Description : . Catalyst used in the catalytic converter employed in automobiles to convert CO into CO2 and for complete oxidation of un-burnt hydrocarbons is (A) Nickel (B) Cobalt (C) Vanadium (D) Platinum
Last Answer : (D) Platinum
Description : CoCl2(en)2]+: Dichloridobis(ethylenediamine)Cobalt(III)ion. -Chemistry
Last Answer : Tetra amminechloridonitro cobalt (III) ion.
Description : The oxidation state of mo in its oxido-complex - complex species `[Mo_(2)O_(4)[C_(2)H_(4))_(2)(H_(2)O)]^(2-)` is
Last Answer : The oxidation state of mo in its oxido-complex - complex species `[Mo_(2)O_(4)[C_(2)H_(4))_(2)(H_(2)O)]^(2-)` is A. `+2 ` B. `+3` C. `+4` D. `+5`
Description : A blue colour complex is obtained in the analysis of `Fe^(+3)` having formula `Fe_(4)[Fe(CN)_(6)]_(3)` Let a= oxidation number of Iron in the corrdina
Last Answer : A blue colour complex is obtained in the analysis of `Fe^(+3)` having formula `Fe_(4)[Fe(CN)_ ... coordination sphere. Then find the value of (c+a-2b)
Description : In the conversion fo ` Br_2` to `BrO_3^(-)` , the oxidation state of `Br` changes from.
Last Answer : In the conversion fo ` Br_2` to `BrO_3^(-)` , the oxidation state of `Br` changes from. A. 0 to 5 B. 1 to 5 C. 0 to `-3` D. 2 to 5
Description : Co-ordination number of Cr in `CrCl_(3^.)5H_(2)O` is six. The volume of 0.1 N `AgNO_(3)` needed to ppt. the chorine in outer sphere in 200 ml of 0.01
Last Answer : Co-ordination number of Cr in `CrCl_(3^.)5H_(2)O` is six. The volume of 0.1 N `AgNO_(3)` ... of 0.01 M solution of he possible complex es is/are:
Description : What is the structure of cscl and give the co-ordination number of Cscl ?
Last Answer : The structure of cscl is Body Centered Cubic and the Co- ordination number of CsCl is 8
Description : What is structure of Nacl and give the co-ordination number of Nacl ?
Last Answer : The structure of Nacl is face centered Cubic and Co- ordination number of Nacl is 6
Description : What is Co-ordination number ?
Last Answer : The number of appositively charged ions surrounded a particular ion in an ionic crystal lattice is called co- ordination number
Description : The co-ordination number in simple cubic structure is (A) 4 (B) 6 (C) 8 (D) 12
Last Answer : (B) 6
Description : The co-ordination number of a simple cubic structure is
Last Answer : The co-ordination number of a simple cubic structure is 6.
Description : Assertion :- Oxidation number of Cr in `Cr(CO)_(6)` is zero. Reason :- Cr is a metal.
Last Answer : Assertion :- Oxidation number of Cr in `Cr(CO)_(6)` is zero. Reason :- Cr is a metal. A. ... Reason is False. D. If both Assertion & Reason are False.
Description : Assertion :- Oxidation number of `Ni` in `[Ni(CO)_(4)]` is zero. ltbr. Reason :- Nickel is bonded to neutral ligand, carbonyl.
Last Answer : Assertion :- Oxidation number of `Ni` in `[Ni(CO)_(4)]` is zero. ltbr. Reason :- Nickel is ... is False. D. If both Assertion & Reason are False.
Description : A complex compound in which the oxidation number of a metal is zero is - (1) K4 [Fe (CN)6] (2) K3 [Fe (CN)6] (3) [Ni (CO)4] (4) [Pl (NH3)4]Cl2
Last Answer : (3) [Ni (CO)4]
Description : Define co-ordination covalent bond.
Last Answer : Co-ordination covalent bond is formed by the mutual sharing of pair of electrons between two atoms contributed by only one of the combining atoms.
Description : Organic compounds are - (1) Covalent compounds (2) Ionic compounds (3) Co-ordination compounds (4) Interstitial compounds
Last Answer : (1) Covalent compounds Explanation: Organic compounds are always covalent compounds because it is more energetically favorable for carbon to covalently bond. Organic compounds, such as carbohydrates, lipids, proteins and nucleic acids, are all examples of covalent compounds.
Description : What is gigantism?
Last Answer : Gigantism is a condition of the body in which the growth rate is very high due to the over secretion of growth hormone prior to puberty.