Description : Addition of excess aqueous ammonia to a pink coloured aqueous solution of `MCl_(2).6H_(2)O(X)` and `NH_(4)Cl` gives an octahedral complex Y in the pre
Last Answer : Addition of excess aqueous ammonia to a pink coloured aqueous solution of `MCl_(2).6H_(2)O(X)` ... solution is pink D. Z is a tetrahedral complex.
Description : A cationic complex has two isomers A & B. Each has one Co3+, five NH3 , one Br and one SO4 2 . A gives a white precipitate with BaCl2 solution while B gives a yellow precipitate with AgNO3 ... are the possible structures of the complexes A and B ? (a) Will the two complexes have same colour ?
Last Answer : (a) [CO (NH3 ) 5 Br] SO4 and [CO (NH3 ) 5 SO4 ] Br (b) NO
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 : Total number of geometrical isomers for the complex `[Rh Cl (CO) (PPh_(3)) (NH_(3))]` is
Last Answer : Total number of geometrical isomers for the complex `[Rh Cl (CO) (PPh_(3)) (NH_(3))]` is
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 : 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 : Which kind of isomerism is exhibited by octahedral `[Co(NH_(3))_(4)Br_(2)]Cl` ?
Last Answer : Which kind of isomerism is exhibited by octahedral `[Co(NH_(3))_(4)Br_(2)]Cl` ? A. ... and optical C. Optical and ionization D. Geometrical only
Description : The octahedral complex of a metal ion `M^(3+)` with four monodentate ligands `L_(1),L_(2),L_(3) and L_(4)` absorb wavelength in the region of red, gre
Last Answer : The octahedral complex of a metal ion `M^(3+)` with four monodentate ligands `L_(1),L_(2),L_(3) and L_(4)` ... `L_(1) lt L_(2) lt L_(4) lt L_(3)`
Description : The complex `[Cr(H_(2)O)_(4)Br_(2)]Cl` gives the test for :
Last Answer : The complex `[Cr(H_(2)O)_(4)Br_(2)]Cl` gives the test for : A. `Br^(-)` B. `Cl^(-)` C. `Cr^(3+)` D. `Br^(-) and Cl^(-)` both
Description : A liquid mixture contains 30% o-xylene, 60% p-xylene and 10%. mxylene (all percentages in w/w). Which of the following statements would be true in respect of this mixture? (A) The mixture exhibits ... : o-xylene 30, p-xylene 60 and m-xyoene 10 (D) The mixture contain optical isomers
Last Answer : (A) The mixture exhibits an azeotrope at 101.3 kPa
Description : How many isomers are possible for a compound with formula, `[Rn(en)_(2)Cl(NO_(2))]` ?
Last Answer : How many isomers are possible for a compound with formula, `[Rn(en)_(2)Cl(NO_(2))]` ? A. 2 B. 4 C. 6 D. 8
Description : The total number of possible isomers of sqaure-planar `[Pt(Cl)(NO_(2))(NO_(3))(SCN)]^(2-)` is :
Last Answer : The total number of possible isomers of sqaure-planar `[Pt(Cl)(NO_(2))(NO_(3))(SCN)]^(2-)` is : A. 8 B. 12 C. 16 D. 24
Description : The number of geometric isomers that can exist for square planar `[Pt(Cl)(py)(NH_(3))(NH_(2)OH)]^(+)` is (py=pyridine)
Last Answer : The number of geometric isomers that can exist for square planar `[Pt(Cl)(py)(NH_(3))(NH_(2)OH)]^(+)` is (py=pyridine) A. 2 B. 3 C. 4 D. 6
Description : Crystal field stabilization energy for high spin `d^4` octahedral complex is
Last Answer : Crystal field stabilization energy for high spin `d^4` octahedral complex is A. `-0.6 Delta_(0)` B. `-1. ... `-1.6Delta_(0)+P` D. `-1.2Delta_(0)`
Description : According to the Crystal Field Theory, the energy of `d_(xy)` orbital is lower than `d_(x^(2)-y^(2))` in an octahedral complex because
Last Answer : According to the Crystal Field Theory, the energy of `d_(xy)` orbital is lower than `d_(x^(2)-y^(2))` ... d_(x^(2)-^(2))` orbital is away the ligands.
Description : An octahedral complex of `Co^(3+)` is diamagnetic . The hybridisation involved in the formation of the complex is :
Last Answer : An octahedral complex of `Co^(3+)` is diamagnetic . The hybridisation involved in the formation of the complex is : A. ... `d^(2)sp^(3)` D. `sp^(3)d`
Description : How many EDTA molecules are required to make an octahedral complex with a `Ca^(2+)` ion?
Last Answer : How many EDTA molecules are required to make an octahedral complex with a `Ca^(2+)` ion? A. Six B. Three C. One D. Two
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 : The number of unpaired electrons in `d^(6)`, low spin, octahedral complex is :
Last Answer : The number of unpaired electrons in `d^(6)`, low spin, octahedral complex is : A. 4 B. 2 C. 1 D. 0
Description : The crystl field splitting energy for octahedral complex `(Delta_(0))` and that for tetrahedral complex `(Delta_(1))` rae related as :
Last Answer : The crystl field splitting energy for octahedral complex `(Delta_(0))` and that for tetrahedral complex `(Delta_(1) ... ` D. `Deltat=(9)/(4)Delta_(0)`
Description : How many EDTA (lethylendiamine tetra acetic acid) molecules are required to make an octahedral complex with a Ca2+ ion.
Last Answer : EDTA is a hexadentate ligand therefore only one EDTA molecule is required to form octahedral complex.
Description : The most common complex ions have octahedral geometry. What is the coordination number of the central ion in an octahedral complex?
Last Answer : ANSWER: SIX
Description : The complex ion . `[M(en)Br_(2)I_(2)]^(-1)`, has two optical isomers. Their correct configurations are:
Last Answer : The complex ion . `[M(en)Br_(2)I_(2)]^(-1)`, has two optical isomers. Their correct configurations are: A. B. C. D.
Description : Statement-1: The geometrical isomers of the complex `[M(NH_(4))_(4)Cl_(2)]` are optically inactive, and Statement-2: Both geometrical isomers of the c
Last Answer : Statement-1: The geometrical isomers of the complex `[M(NH_(4))_(4)Cl_(2)]` are optically inactive, ... D. Statement-1 is false, statement-2 is true.
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 : Among the electrolytes `Na_(2),SO_(4),CaCl_(2),Al_(2)(SO_(4))_(3) and NH_(4)Cl`, the most effective coagulating agent for `Sb_(2)S_(3)` sol is
Last Answer : Among the electrolytes `Na_(2),SO_(4),CaCl_(2),Al_(2)(SO_(4))_(3) and NH_(4)Cl`, the most effective coagulating ... `Al_(2)(SO_(4))_(3)` D. `NH_(4)Cl`
Description : Ammonium salts decompose quite readily on heating : (i) Ammonium salt of weak oxidizing anion (e.g. `Cl^(-), CO_(3)^(2-), SO_(4)^(2-)`) `overset("heat
Last Answer : Ammonium salts decompose quite readily on heating : (i) Ammonium salt of weak oxidizing anion (e.g. `Cl^(-), CO_(3) ... N_(2)` D. `NO, NH_(3), N_(2)O`
Description : For the reaction : `I^(-)+ClO_(3)^(-)+H_(2)SO_(4) to Cl^(-)+HSO_(4)^(-)+I_(2)` The correct statement(s) in the balanced equation is/are:
Last Answer : For the reaction : `I^(-)+ClO_(3)^(-)+H_(2)SO_(4) to Cl^(-)+HSO_(4)^(-)+I_(2)` The ... Sulphur is reduced. D. `H_(2)O` is one of the products.
Description : Determine the equivalent weight of the following ions : `(a) Na^(+) " " (b) Al^(3+) " " (c) NO^(+) " " Cl^(-)` `(e) CO_(3)^(2-) " " SO_(4)^(2-) " " (g
Last Answer : Determine the equivalent weight of the following ions : `(a) Na^(+) " " (b) Al^(3+) " " (c) NO^(+) " " Cl^(- ... " " SO_(4)^(2-) " " (g) PO_(4)^(3-)`
Description : How many anions evolve brownish gas when treated with dil. /con. HCl ? `(i) CO_(3)^(2-) " " (ii)SO_(3)^(2-) " " (iii) NO_(2)^(-) " " (iv)Cl^(-)` `(v)
Last Answer : How many anions evolve brownish gas when treated with dil. /con. HCl ? `(i) CO_(3)^(2-) " " (ii)SO_(3)^(2-) ... NO_(3)^(-) " " (vii) CH_(3)CO O^(-)`
Description : How many compounds liberate `NH_(3)` on heating from the following ? (i) `(NH_(4))_(2)SO_(4) " " (ii) (NH_(4))_(2)CO_(3) " " (iii) NH_(4)Cl` (iv) `NH_
Last Answer : How many compounds liberate `NH_(3)` on heating from the following ? (i) `(NH_(4))_(2)SO_(4) " " (ii) (NH_(4)) ... 3) " " (v) (NH_(4))_(2)Cr_(2)O_(7)`
Description : Thiosulphate ion `(S_(2)O_(3)^(2-))` on acidification changes to `SO_(2)` along the precipitation of sulpur, `.^(35)S^(32) SO_(3)^(2-) + 2H^(+) to H_(
Last Answer : Thiosulphate ion `(S_(2)O_(3)^(2-))` on acidification changes to `SO_(2)` along the precipitation of sulpur, ` ... ` is in both D. `S^(35)` is in none
Description : Two compounds have the same composition and also have the same atoms attached to the same atoms, although with different orientations in space. These compounds are (a) Identical (b) Position isomers (c) Structural isomers (d) Stereoisomers
Last Answer : Stereoisomers
Description : How many alkanes (only structural isomers) are possible with the molecular formula `C_(4)H_(8)`
Last Answer : How many alkanes (only structural isomers) are possible with the molecular formula `C_(4)H_(8)` A. 4 B. 3 C. 5 D. 6
Description : How many benzenoid isomers are possible for molecular formula `C_(7)H_(8)O` :-
Last Answer : How many benzenoid isomers are possible for molecular formula `C_(7)H_(8)O` :- A. 3 B. 4 C. 5 D. 6
Description : How many amines are possible with the molecular formula `C_(4)H_(11)N` (structural isomers only) :-
Last Answer : How many amines are possible with the molecular formula `C_(4)H_(11)N` (structural isomers only) :- A. 6 B. 7 C. 8 D. 9
Description : The total number of ketones (including stereo isomers ) with the molecular formula `C_(6)H_(12)O` is :
Last Answer : The total number of ketones (including stereo isomers ) with the molecular formula `C_(6)H_(12)O` is : A. 4 B. 5 C. 6 D. 7
Description : The number of isomers for the compound with molecular formula `C_(2)BrCIFI` are:
Last Answer : The number of isomers for the compound with molecular formula `C_(2)BrCIFI` are:
Description : Compounds with identical molecular formula but different structures are called - (1) Tetravalent compounds (2) Structural isomers (3) Covalent compounds (4) None of the above
Last Answer : (2) Structural isomers Explanation: Structures with identical molecular formula but different structures are called structural isomers. Eg: Butane.
Description : The maximum number of isomers for an alkene with molecular formula C4H8 is?
Last Answer : 4
Description : The number of structural isomers of alcohols with molecular formula C4H9OH is (a) 5 (b) 4 (c) 3 (d) 6
Description : The number of structural isomers of alcohols with molecular formula C3H7OH is (a) 5 (b) 4 (c) 3 (d) 2
Last Answer : 2
Description : There are 8 isomers that have the molecular formula C5H11Br. How many of these are tertiary alkyl bromides? (a) 1 (b) 2 (c) 3 (d) 8
Last Answer : 1
Description : How many isomers are possible for the compound with molecular formula C4H8? (a) 2 (b) 4 (c) 6 (d) 8
Last Answer : 6
Description : Compounds with the same molecular formula but different structural formulas are called (a) Alkoxides (b) Iso compounds (c) Isomers (d) Ortho compounds
Last Answer : Isomers
Description : The isomers of a substance must have (a) same chemical properties (b) same molecular weight (c) same structural formula (d) same functional groups
Last Answer : same molecular weight
Description : `Na_(2)CO_(3),NaCl, NaNO_(2),Na_(2)SO_(3),NaBr,CH_(3)CO O Na` are separately treated with `AgNO_(3)` solution. In how many cases white precipitate is/
Last Answer : `Na_(2)CO_(3),NaCl, NaNO_(2),Na_(2)SO_(3),NaBr,CH_(3)CO O Na` are separately ... solution. In how many cases white precipitate is/are obtained.
Description : Assertion : A white turbidity is obtained by passing `H_(2)S` through aq solution of `SO_(2)` Reason: Aq solution of `SO_(2)` and `H_(2)S` undergoes r
Last Answer : Assertion : A white turbidity is obtained by passing `H_(2)S` through aq solution of `SO_(2 ... Statement-I is not correct and Statement-II is correct
Description : In stratosphere, which of the following element acts as a catalyst in degradation of ozone a release of molecular oxygen ? (1) Carbon (2) Cl (3) Fe (4) Oxygen
Last Answer : (2) Cl