C-RDITI CMPUDS D CEMICL BDIG QUESTIS 1. IUPC name of [Pt ( Br ( CI CI is a. triamine chloro bromo nitro platinum (IV Chloride b. triamine chloro bromo nitro platinum (IV Chloride c. triamine bromo chloro nitro platinum (IV Chloride d. triamine bromo chloro itro platinum (III Chloride. Which of the following acts as a positive lig? a cetate b Carbonyl c itro d itrosonium. EDT is a a Monodentate lig b Bidentate lig c Tridentate lig d exadentate lig. Which of the following cannot act as a lig? a P b c BF d. Which exhibits highest molar conductivity? a [ Co( CI b [ Co( CI CI c Co ( CI CI d [ Co( CI CI [. The fraction of chlorine precipitated by g Solution from [ Cr( CI CI is Br a ½ b / c 1 / d ¼ 7. ne mole of a complex compound Co ( CI give moles of ions on dissolution in water. ne mole of the same complex reacts with two moles of g solution to yield two moles gci(s the complex is a [ Co( CI. b [ Co( CI CI. c [ Co( CI CI. d [ Co( CI CI 8. The compounds [ Cr( CI, [ Cr( CI CI. [ Cr( CI CI represent a linkage isomers b ionization isomers c hydrate isomers d coordination isomers 9. [ i( C [ ici have similarity but not in a magnetic moment b coordination number oxidation number c Structure d a c 10. Which statement is incorrect? a i (C - tetrahedral paramagnetic b i( C - square planar diamagnetic c Cu( C - square planar paramagnetic d ici - tetra hedral paramagnetic
11. Which one of the following complexes is outer orbital complex? a [ Co( b [ Mn( C c C d [ i( 1. The complex ions [ Co( ( [ Co( ( are called a Ionization isomers b Linkages isomers c Co- ordination isomers d Geometrical isomers 1. The complex that violates E rule is; a Potassium Ferro cyanide b Potassium ferricyanide c Tetracarbonyl nickel d examine cobalt (III chloride 1. Which one of the following ligs forms a chelate ring? a cetate b xalate c Cyanide d mmonia 1. Co-ordination compounds have great importance in biological systems. In this context which of the following statements is incorrect? a. Cyano cobalamine is Vitamin B 1 contains cobalt b. aemoglobin is the red pigment of blood contains iron c. Chlorophyll is the green pigment of plants contains calcium. d. Carboxy peptidase- is an enzyme contains Zinc. 1. Which compound is zero valent metal complex? a [ Cu ( S b [ Pt ( CI c [ i( C d K C 17. 1. The Shape of Cuprammonium ion is a trigonal b tetrahedral c octahedral d square plathar 18. The two complexes PtCI. PtCI.KCI do not give precipitate of gci when treated with g. The conductance studies indicate zero three ions per mole of the complex respectively in their solution. The structure of these complexes is a [Pt ( CI K [Pt (CI b [Pt ( CI K [PtCI c [Pt ( CI CI K [PtCI CI d [Pt ( CI [K PtCI 19. Fe( C ion has magnetic moment of 1.7BM while Fe( has a magnetic moment of.9 BM. Thus, hybridization of Fe in both the complexes is respectively; a d sp, sp d b sp d, d sp c d sp, d sp d sp d, sp d 0. mmonia forms the complex ion [ Cu( with copper ions in alkaline solution but not in acidic solution. What is the reason for it? a. In acidic solution, protons coordinate with ammonia molecules forming ions molecules are not available b. In alkaline solution insoluble Cu ( is precipitated which is soluble in excess of any alkali. c. Copper hydroxide is an amphoteric substance d. In acidic solutions, hydration protects copper ions.
1. The species having tetrahedral shape is a [ PdCI b [ ( i C c [ ( Pd C d [ i CI. The spin magnetic moment of cobalt in the compound g [Co (SC is a b 8 c 1 d. The Co-ordination number of a metal in coordination compound is a same as primary valency b same as secondary valency c sum of primary secondary valancies d same as the oxidation number of the central metal atom. Which one of the following ions has an octahedral structure a [ ( 1 g C b [ Cu( c [ gl d C. ow many EDT molecules are required to make an octahedral complex with Ca ion a b 1 c d. In which of the following complex ion the central metal ion is in a state of sp d hybridization? a [ Co( b [ CoF c [ Cr( d C 7. Which is not a molecular orbital? aσ b π c π d d 8. Which of the following overlap is correct? d one of the above 9. The Molecular orbital shown in the diagram can be described as a σ b σ c π d π 0. The electron probability density ψ BM is lower than that for the individual atomic orbital ψ B ( ψ by a factor of a ψ b ψ B c ψ ψ B d ψ ψ B
1. What is wrong w.r.t BM? a. It is formed by subtraction of wave function of two atomic orbitals b. Lobes of combining orbitals have same sign c. It has higher energy than combining atomic orbitals d. It causes destabilization of the species.. Which of the following represent the bond order? 1 a [ B b [ B c [ B. During the formation of from the electron goes from: a P z 1 1 d / B σ b π px c π p y d one of the these. Which is not matched correctly for bond order? a, b, c e, 1 d C,. Which of the following is correct w. r. t. bond dissociation energies of, E1 E respectively? a E 1 > E b E 1 = E c E 1 < E d Cannot be decided. Pair of which choices has the same bond order? a b c d 7. Which of the following has shortest bond length? a b c d 8. Which of following species exhibits the diamagnetic behavior? a b c d 9. Which of the following orbital in oxygen molecule has the least energy? a σ PZ b px π c π p x d 0. Which of the following species is not diamagnetic? a C b c Li d σ p 1. as 1 electrons. species with an add no. of electron is diamagnetic. The number of antibonding electron pairs in the a b c d1 z molecular ion on the basis of M.. theory is. ccording to the M.. T which of the following statements about is correct regarding? a Paramagnetic B. < b Paramagnetic B. > c Diamagnetic B. > d diamagnetic B.. >. Bond order value of P bond P ion is expected to be: a 1 b c 1. d 1.
. The decreasing order of bond length for its ions is correctly show in : = > = > a > = > = b > > > > c > > > > d. Which of the following statements is wrong? a. Linear overlapping of atomic orbitals gives sigma molecular orbitals b. Sidewise overlapping of atomic orbitals gives pi molecular orbitals c. x- axis is arbitrarily chosen as internuclear axis d. For, F e, the energy of σ P is lesser than energies of π Z P π x Py. The number of nodal planes present in S * S antibonding orbital is a 0 b c 1 d 7. Malleability ductility of metals are because of: a. Sliding of kernels of one layer on another b. Sliding of mobile electrons of the electron cloud c. Strong electrostatic force of attraction between kernels mobile electrons d. all of the above 8. igh tensile strength of metals is because of: a. Sliding of kernels of one layer on another b. Sliding of mobile electrons of the cloud c. Strong electrostatic force of attraction between kernels mobile electrons d. ll of the above 9. mong K, I, Ba unpaired electrons are present in a Ba b K I c K only d Ba only 0. K is potassium super oxide. Super oxide ion has one unpaired electron. n example of a metal that exhibits photoelectric effect a Zn b I c Ba d Cs 1. The reason for the difference in the sequence of energy level for is a. itrogen is polar while oxygen is non polar b. In nitrogen energy difference between σ σ s is larger than in oxygen P z c. In nitrogen σ s d. In oxygen σ s σ P z σ P z interact while in oxygen these do not interact interact. Plus minus signs in the representation of orbital represents the a charge b sign of wave function c probability area dn none