Coordination Compounds PYQs Set 12 (PDF)

Set 12 of 18 · Questions 331-360 of 522

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Mere Teacher · Previous Year Questions NEET Chemistry · Coordination Compounds · Set 12 (Q331-360)
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331. $Among the following complexes the one which shows zero crystal field stabilization energy (CFSE) is$ (1) $[M n (H_{2} O)_{6}]^{3 +}$ (2) $[F e (H_{2} O)_{6}]^{3 +}$ (3) $[C o (H_{2} O)_{6}]^{2 +}$ (4) $[C o (H_{2} O)_{6}]^{3 +}$ 332. $Cobalt (III) chloride forms several octahedral complexes with ammonia. Which ofthe following will not give test for chloride ions with silver nitrate at 2 5^{o} C ?.$ (1) $C o C l_{3} \cdot 5 N H_{3}$ (2) $C o C l_{3} \cdot 6 N H_{3}$ (3) $C o C l_{3} \cdot 3 N H_{3}$ (4) $C o C l_{3} \cdot 4 N H_{3}$ 333. $The geometry and magnetic behaviour of the complex [Ni (C O)_{4}] are :$ (1) $square planar geometry and diamagnetic$ (2) $tetrahedral geometry and paramagnetic$ (3) $Square planar geometry and paramagnetic$ (4) $tetrahedral geometry and diamagnetic$ 334. $Both [Ni(CO)_{4}] and [Ni(CN)_{4}]^{2-} are diamagnetic. The hybridisation of nickel in these complexes, respectively, are :$ (1) $s p^{3}, s p^{3}$ (2) $s p^{3}, d s p^{2}$ (3) $d s p^{2}, s p^{3}$ (4) $d s p^{2}, s p^{2}$ 335. $The electronic spectrum of [Ti (H_{2} O)_{6}]^{3 +} shows a single broad peak with a maximum at 20, 300 cm^{- 1} . The crystal field stabilization energy (CFSE) of the complex ion, in kJ mol^{- 1}, is (1 kJmol^{- 1} = 83.7 cm^{- 1})$ (1) $145.5$ (2) $97$ (3) $242.5$ (4) $83.7$ 336. $Ethylene diaminetetraacetate (EDTA) ion is:$ (1) $Unidentate ligand$ (2) $Bidentate ligand with two " N " donor atoms$ (3) $Tridentate.ligand with three " N " donor atoms$ (4) $Hexadentate ligand with four "O" and two " N " donor atoms$ 337. $A magnetic moment at 1.73 BM will be shown by one among of the following$ (1) $T i C l_{4}$ (2) $[C o C l_{6}]^{4 -}$ (3) $[C u (N H_{3})_{4}]^{2 +}$ (4) $[N i (C N)_{4}]^{2 -}$ 338. $Statement-1 : The geometrical isomers of the complex [M(N H_{3})_{4} C l_{2}] are optically inactive, and Statement-2 : Both geometrical isomers of the complex [M(N H_{3})_{4} C l_{2}] possess axis of symmetry.$ (1) $Statement-1 is true, statement-2 is true; statement-2 is a correct explanation for statement-1.$ (2) $Statement-1 is true, statement-2 is true; statement-2 is NOT a correct explanation for statement-1.$ (3) $Statement-1 is true, Statement-2 is false.$ (4) $Statement-1 is false, Statement-2 is true.$ 339. $C r^{+ 3} in aquous medium form green coloured complex with N H_{3} ligand. How many ligand associated$ (1) $3$ (2) $4$ (3) $5$ (4) $6$ 340. $The type of isomerism shown by the complex [CoCl_{2} (en)_{2}] is$ (1) $geometrical isomerism$ (2) $coordination isomerism$ (3) $ionization isomerism$ (4) $linkage isomerism.$ 341. $Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : The total number of geometrical isomers shown by Co(en)2Cl2+complex ion is three. Reason (R): Co(en)2Cl2+complex ion has an octahedral geometry.In the light of the above statements, choose the most appropriate answer from the options given below :$ (1) $Both (A) and (R) are correct but (R) is not the correct explanation of (A)$ (2) $(A) is not correct but (R) is correct$ (3) $Both (A) and (R) are correct and (R) is the correct explanation of (A)$ (4) $(A) is correct but (R) is not correct$ 342. $Which of the following has longest C-O bond length ? (Free C-O bond length in CO is 1.128Å)$ (1) $[Mn(CO)6]+$ (2) $Ni(CO)4$ (3) $[C o (C O)_{4}]^{⊖}$ (4) $[Fe(CO)4]2-$ 343. $The Crystal Field Stabilization Energy (CFSE) and magnetic moment (spin-only) of an octahedral aquacomplex of a metal ion (M^{2 +}) are -0. 8 Δ_{0} and 3.87 BM, respectively. Identify (M^{2}):$ (1) $V^{3 +}$ (2) $C r^{3 +}$ (3) $M n^{4 +}$ (4) $C o^{2 +}$ 344. $The bond length in CO is 1.128 Å. What will be the bond length of CO in Fe (C O)_{5} ?$ (1) $1.158 Å$ (2) $1.128 Å$ (3) $1.178 Å$ (4) $1.118 Å$ 345. $Which one of the following is an inner orbital complex as well as diamagnetic in behaviour?$ (1) $[Z n (N H_{3})_{6}]^{2 +}$ (2) $[C r (N H_{3})_{6}]^{3 +}$ (3) $[C o (N H_{3})_{6}]^{3 +}$ (4) $[N i (N H_{3})_{6}]^{2 +} (Atomic number: Z n = 30, C r = 24, C o = 27, Ni = 28)$ 346. $Which of the following is considered to be an anticancer species$ (1) (2) (3) (4) 347. $Which of the following will exhibit maximum ionic conductivity?$ (1) $K_{4} [F e (C N)_{6}]$ (2) $[C o (N H_{3})_{6}] C l_{3}$ (3) $[C u (N H_{3})_{4}] C l_{2}$ (4) $[N i (C O)_{4}]$ 348. $The d-electron configuration of [Ru (en)_{3}] Cl_{2} and [Fe (H_{2} O)_{6}] Cl_{2} respectively are$ (1) $t_{2 g}^{6} e_{g}^{0} and t_{2 g}^{6} e_{g}^{0}$ (2) $t_{2 g}^{6} e_{g}^{0} and t_{2 g}^{4} e_{g}^{2}$ (3) $t_{2 g}^{4} e_{g}^{2} and t_{2 g}^{4} e^{2}$ (4) $t_{2 g}^{4} e_{g}^{2} and t_{2 g}^{6} e_{g}^{0}$ 349. $The type of isomerism shown by the complex [C o C l_{2} / (e n)_{2}] is :$ (1) $Geometrical isomerism$ (2) $Linkage isomerism$ (3) $Ionization isomerism$ (4) $Coordination isomerism$ 350. $The correct structures of trans - (NiBr_{2} (PPh_{3})_{2}) andmeridonial- (Co (NH_{3})_{3} (NO_{2})_{3}), respectively, are$ (1) (2) (3) (4) 351. $Which among the following is used in the treatment of cancer?$ (1) $cis-[Pt (en)_{2} Cl_{2}$ (2) $cis- (PtCl_{2} (NH_{3})_{2})$ (3) $trans-[Pt (en)_{2} Cl_{2}]$ (4) $trans - (Pt (NH_{3})_{2} Cl_{2})$ 352. $Pick out the correct statement with respect to [M n (C N)_{6}]^{3 -}$ (1) $It is s p^{3} d^{2} hybridised and tetrahedral.$ (2) $It is d^{2} s p^{3} hybridised and octahedral.$ (3) $It is d s p^{2} hybridised and square planar.$ (4) $It is s p^{3} d^{2} hybridised and octahedral.$ 353. $The total number of possible isomers for the complex compound [Cu^{I I} (NH_{3})_{4}] [Pt^{I I} Cl_{4}] are$ (1) $5$ (2) $6$ (3) $3$ (4) $4$ 354. $The number of unpaired electrons in the complex ion [C o F_{6}]^{3 -} is (Atomic no. : Co = 27)$ (1) $2$ (2) $3$ (3) $4$ (4) $zero$ 355. $The magnetic moment is measured in Bohr Magneton (BM). Spin only magnetic moment of Fe in [Fe(H_{2} O)_{6}]^{3 +} and [Fe(CN)_{6}]^{3 -} complexes respectively is:$ (1) $6.92B.M. in both$ (2) $3.87B.M. andl.732B.M.$ (3) $5.92B.M. andl.732B.M.$ (4) $4.89 B. M. and 6.92 B. M$ 356. $Square planar complex of the type M_{AXBL} (where A, B, X and L are unidentate ligands) shows following set of isomers$ (1) $two cis and one trans$ (2) $two trans and one cis$ (3) $two cis and two trans$ (4) $three cis and one trans.$ 357. $Which complex compound will give four isomers?$ (1) $[F e (e n)_{3}] C l_{3}$ (2) $[C o (e n)_{2} C l_{2}] C l$ (3) $[F e (P P h_{3})_{3} N H_{3} C l B r] C l$ (4) $[Co (PP h_{3})_{3} Cl] C l_{3}$ 358. $Match the column-I with column-II. Column-I (A) (Fe (CN)_{6})^{3 -} (B) (Fe (H_{2} O)_{6})^{3 +} (C) (Fe (CN)_{6})^{4 -} (D) (Fe (H_{2} O)_{6})^{2 +} Column-II (I) 5.92 BM (II) 0 BM (III) 4.90 BM (IV) 1.73 BM Choose the correct answer from the options given below.$ (1) $(A)-(II); (B)-(IV); (C)-(III); (D)-(I)$ (2) $(A)-(I); (B)-(III); (C)-(IV); (D)-(II)$ (3) $(A)-(IV), (B)-(I); (C)-(II); (D)-(III)$ (4) $(A)-(IV), (B)-(II); (C)-(I); (D)-(III)$ 359. $Which one of the following complexes will have Δ_{o} = 0 and μ = 5.96 B.M?$ (1) $(FeF_{6})^{4 -}$ (2) $(Mn (SCN)_{6})^{4 -}$ (3) $(Co (NH_{3})_{6})^{3 +}$ (4) $(Fe (CN)_{6})^{4 -}$ 360. $Which kind of isomerism is exhibited by octahedral [Co(N H_{3})_{4} B r_{2}]Cl ?$ (1) $Geometrical and ionization$ (2) $Geometrical and optical$ (3) $Optical and ionization$ (4) $Geometrical only$