Coordination Compounds PYQs Set 17 (PDF)

Set 17 of 18 · Questions 481-510 of 522

In the print window choose “Save as PDF”. The file prints without a web address or date line.

Mere Teacher · Previous Year Questions NEET Chemistry · Coordination Compounds · Set 17 (Q481-510)
Scan or visit mereteacher.com for free PYQ practice, timed CBT tests, step-by-step solutions and BroBot AI. Answers and solutions are free with a sign-up.
481. $Which molecule/ion among the following cannot act as a ligand in complex compounds?$ (1) $C H_{4}$ (2) $C N^{-}$ (3) $B r^{-}$ (4) $CO$ 482. $Which one has the highest paramagnetism ?$ (1) $Ni(CO)4$ (2) $[Co(NH3)6]Cl3$ (3) $[Ni(NH3)6]Cl2$ (4) $[Cu(NH3)4]Cl2$ 483. $Which of the following is a negatively charged bidentate ligand?$ (1) $Dimethyl glyoximato$ (2) $Cyano$ (3) $Ethylene diamine$ (4) $Acetato$ 484. $In which of the following complex ion, the central metal ion is in a state of s p^{3} d^{2} hybridisation?$ (1) $[C o F_{6}]^{3 -}$ (2) $(Fe (CN)_{6})^{3 -}$ (3) $(Co (NH_{3})_{6})^{3 +}$ (4) $(Cr (NH_{3})_{6})^{3 +}$ 485. $(Fe (NO_{2})_{3} Cl_{3}) and (Fe (O - NO)_{3} Cl_{3}) shows$ (1) $linkage isomerism$ (2) $geometrical isomerism$ (3) $optical isomerism$ (4) $hydrate isomerism.$ 486. $Addition of excess of AgNO_{3} to an aqueous solution of 1 mole of PdCl_{2} \cdot 4 NH_{3} gives 2 moles of AgCl . The conductivity of this solution corresponds to$ (1) $1:1 electrolyte$ (2) $1 : 3 electrolyte$ (3) $1 : 2 electrolyte$ (4) $1 : 4 electrolyte.$ 487. $The formula of pentaaquanitratochromium(III) nitrate is$ (1) $(Cr (H_{2} O)_{6}) (NO_{3})_{3}$ (2) $(Cr (H_{2} O)_{6}) (NO_{2})_{2}$ (3) $(Cr (H_{2} O)_{5} NO_{3}) (NO_{3})_{2}$ (4) $(Cr (H_{2} O)_{5} NO_{2}) NO_{3}$ 488. $[Fe(H_{2} O)_{5} NO]^{2 +} is a complex formed during the brown ring test for NO_{3}^{-} ion. In this complex$ (1) $There are three unpaired electron so that its magnetic moment is 3.87 BM$ (2) $NO transfer its electron to F e^{2 +} so that iron as Fe(I) and NO as N O^{+}$ (3) $The colour is because of charge transfer$ (4) $All of the above statements are correct.$ 489. $Which coordination complex from following contains neutral ligand?$ (1) $Pentacarbonyl iron(0)$ (2) $Trioxalatocobaltate(III) ion$ (3) $Sodium hexanitrocobaltate(III)$ (4) $Tetracyanonickelate(II) ion$ 490. $Number of Complexes with even number of electrons in t_{2 g} orbitals is - (Fe (H_{2} O)_{6})^{2 +}, (Co (H_{2} O)_{6})^{2 +}, (Co (H_{2} O)_{6})^{3 +}, (Cu (H_{2} O)_{6})^{2 +}, (Cr (H_{2} O)_{6})^{2 +}$ (1) $2$ (2) $3$ (3) $1$ (4) $5$ 491. $Which of the following coordination compounds would exhibit optical isomerism?$ (1) $Pentaamminenitrocobalt(III) iodide$ (2) $Diamminedichloroplatinum(II)$ (3) $trans‐Dicyanobis(ethylenediamine) chromium (111) chloride$ (4) $tris‐(Ethylenediamine)cobalt(III) bromide$ 492. $The complex, [Pt (py) (NH_{3}) BrCl] will have how many geometrical isomers?$ (1) $3$ (2) $4$ (3) $0$ (4) $2$ 493. $The molecule/ion with square pyramidal shape is:$ (1) $(Ni (CN)_{4})^{2 -}$ (2) $PCl_{5}$ (3) $BrF_{5}$ (4) $PF_{5}$ 494. $Crystal field stabilization energy for high spin d^{4} octahedral complex is$ (1) $- 1.8 ∆_{o}$ (2) $- 1.6 ∆_{o} + P$ (3) $- 1.2 ∆_{o}$ (4) $- 0.6 ∆_{o}$ 495. $The correct order of (FeF_{6})^{3 -}, (CoF_{6})^{3 -}, (Ni (CO)_{4}) and (Ni (CN)_{4})^{2 -} complex species based on the number of unpaired electrons present is:$ (1) $(CoF_{6})^{3 -} > (FeF_{6})^{3 -} > (Ni (CO)_{4}) > (Ni (CN)_{4})^{2 -}$ (2) $(FeF_{6})^{3 -} > (CoF_{6})^{3 -} > (Ni (CN)_{4})^{2 -} > (Ni (CO)_{4})$ (3) $(FeF_{6})^{3 -} > (CoF_{6})^{3 -} > (Ni (CN)_{4})^{2 -} = (Ni (CO)_{4})$ (4) $(Ni (CN)_{4})^{2 -} > (FeF_{6})^{3 -} > (CoF_{6})^{3 -} > (Ni (CO)_{4})$ 496. $The correct structure of ethylenediaminetetraacetic acid (EDTA) is :$ (1) (2) (3) (4) 497. $Select the diamagnetic complex ion amongst the following complexes. (Atomic no. Fe = 26, Co = 27)$ (1) $K_{3} (Fe (CN)_{6})$ (2) $(Co (NH_{3})_{6}) Cl_{3}$ (3) $K_{3} (FeF_{6})$ (4) $K_{3} (CoF_{6})$ 498. $Given below are two statements . Statement I : In C u S O_{4} . 5 H_{2} O, Cu-O bonds are present. Statement II : In C u S O_{4} . 5 H_{2} O, ligands coordinating with Cu(II) ion are O-and S-based ligands. choose the correct answer from the options given below$ (1) $Both Statement I and Statement II are correct$ (2) $Both Statement I and Statement II are incorrect$ (3) $Statement I is correct but Statement II is incorrect$ (4) $Statement I is incorrect but Statement II is correct$ 499. $What is the number of donor atoms in dimethylglyoximato ligand?$ (1) $1$ (2) $2$ (3) $3$ (4) $4$ 500. $The isomer(s) of [Co(N H_{3})_{4} C l_{2}] that has/have a Cl-Co-Cl angle of 90°, is/are:$ (1) $cis and trans$ (2) $cis only$ (3) $meridional and trans$ (4) $trans only$ 501. $The number of isomers possible for the octahedral complex (CoCl_{2} (en) (NH_{3})_{2})^{+} is$ (1) $two$ (2) $three$ (3) $no isomer$ (4) $four isomers.$ 502. $The existence of two different coloured complexes with the composition of [Co (NH_{3})_{4} Cl_{2}]^{+} is due to$ (1) $linkage isomerism$ (2) $geometrical isomerism$ (3) $coordination isomerism$ (4) $ionization isomerism.$ 503. $Which of the following complexes will show geometrical isomerism ?$ (1) $Potassium tris(oxalato)chromate(III)$ (2) $Pentaaquachlorochromium(III)chloride$ (3) $Aquachlorobis(ethylenediamine)cobalt(II) chloride$ (4) $Potassium amminetrichloroplatinate(II)$ 504. $Chiral complex from the following is Here en = ethylene diamine$ (1) $cis-[P tC l_{2} (en)_{2}]^{2 +}$ (2) $trans - [P tC l_{2} (en)_{2}]^{2 +}$ (3) $cis - [R C 1_{2} (N H_{3})_{2}]$ (4) $trans - [Co(N H_{3})_{4} C 1_{2}]^{+}$ 505. $Match List - I with List - II. List - I Reaction (A) TiCl_{4} (B) (FeO_{4})^{2 -} (C) (FeCl_{4})^{-} (D) (CoCl_{4})^{2 -} List - II Type of redox reaction (I) e^{2}, t_{2}^{0} (II) e^{4}, t_{2}^{3} (III) e^{0}, t_{2}^{0} (IV) e^{2}, t_{2}^{3} Choose the correct answer from the options given below :$ (1) $(A)-(III), (B)-(IV), (C)-(II), (D)-(I)$ (2) $(A)-(IV), (B)-(III), (C)-(I), (D)-(II)$ (3) $(A)-(III), (B)-(I), (C)-(IV), (D)-(II)$ (4) $(A)-(I), (B)-(III), (C)-(IV), (D)-(II)$ 506. $White precipitate of AgCl dissolves in aqueous ammonia solution due to formation of:$ (1) $[Ag (N H_{3})_{4}] C l_{2}$ (2) $[Ag (C l)_{2} (N H_{3})_{2}]$ (3) $[Ag (N H_{3})_{2}]Cl$ (4) $[Ag(N H_{3})Cl]Cl$ 507. $Which of the following will give a pair of enantiomorphs ? (en = NH_{2} CH_{2} CH_{2} NH_{2})$ (1) $[Pt(NH3)4][PtCl6]$ (2) $[Co(NH3)4Cl2]NO2$ (3) $[Cr(NH3)6][Co(CN)6]$ (4) $[Co(en)2Cl2]Cl$ 508. $Which of the following expected to exhibit optical isomerism ? (en = ethylenediamine)$ (1) $cis-[Pt(NH3)2Cl2]$ (2) $cis-[Co(en)2Cl2]+$ (3) $trans-[Co(en)2Cl2]+$ (4) $trans-[Pt(NH3)2Cl2]$ 509. $In which of the following pairs, both the complexes show optical isomerism ?$ (1) $cis-[Cr(C2O4)2Cl2]3- , cis-[Co(NH3)4Cl2]$ (2) $[Co(en)3] Cl3 ,cis-[Co(en)2Cl2]Cl$ (3) $[PtCl(dien)Cl] , [NiCl2Br2]2-$ (4) $[Co(NO3)3(NH3)3], cis-[Pt(en)2Cl2]$ 510. $In which one of the following metal carbonyls, CO forms a bridge between metal atoms?$ (1) $(Co_{2} (CO)_{8})$ (2) $(Mn_{2} (CO)_{10})$ (3) $(Os_{3} (CO)_{12})$ (4) $(Ru_{3} (CO)_{12})$