Coordination Compounds PYQs Set 19 (PDF)

Set 19 of 20 · Questions 541-570 of 596

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Mere Teacher · Previous Year Questions JEE Main Chemistry · Coordination Compounds · Set 19 (Q541-570)
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541. $Which among the following is the strongest ligand?$ (1) $CN^{-}$ (2) $NH_{3}$ (3) $CO$ (4) $en$ 542. $What is the correct order of the following elements with respect to their density?$ (1) $Cr < Fe < Co < Cu < Zn$ (2) $Cr < Zn < Co < Cu < Fe$ (3) $Zn < Cu < Co < Fe < Cr$ (4) $Zn < Cr < Fe < Co < Cu$ 543. $Which type of isomerism is exhibited of (Pt (NH_{3})_{2} Cl_{2}) ?$ (1) $Structural$ (2) $Geometrical$ (3) $Optical$ (4) $Conformational$ 544. $Aluminium chloride in acidified aqueous solution forms a complex ‘A’, in which hybridisation state of Al is‘B’. What are‘A’ and‘B’, respectively ?$ (1) $[A l (H_{2} O)_{6}]^{3 +}, s p^{3} d^{2}$ (2) $[A l (H_{2} O)_{4}]^{3 +}, s p^{3}$ (3) $[A l (H_{2} O)_{4}]^{3 +}, d s p^{2}$ (4) $[A l (H_{2} O)_{6}]^{3 +}, d^{2} s p^{3}$ 545. $Which of the following can participate in linkage isomerism?$ (1) $NO_{2}^{-}$ (2) $H_{2} N CH_{2} N H_{2}$ (3) $H_{2} O$ (4) $: NH_{3}$ 546. $As per IUPAC norms, the name of the complex (Co (en)_{2} (ONO) Cl) Cl is$ (1) $Chloridobis(ethane-1,2-diamine) nitro-O- cobalt (III) chloride.$ (2) $Chlorobis(ethylenediamine)nitro-Ocobalt (III) chloride.$ (3) $Chloridodi(ethylenediamine) nitrocobalt (III) chloride.$ (4) $Chloroethylenediaminenitro-Ocobalt (III) chloride.$ 547. $The IUPAC name of K_{2} (Ni (CN)_{4}) is$ (1) $potassium tetracyanonickelate(II)$ (2) $potassium tetracyanatonickelate(III)$ (3) $potassium tetracyanatonickel(II)$ (4) $potassium tetracyanonickel(III).$ 548. $The IUPAC name of (Co (NH_{3})_{4} Cl (NO_{2})) Cl is$ (1) $tetraaminechloridonitrito N - cobalt(III) chloride$ (2) $tetraaminechloridonitriocobalt(II) chloride$ (3) $tetraaminechloridonitriocobalt(I) chloride$ (4) $tetraaminechloridodinitrocobalt(III) chloride.$ 549. $Which molecule/ion among the following cannot act as a ligand in complex compounds?$ (1) $C H_{4}$ (2) $C N^{-}$ (3) $B r^{-}$ (4) $CO$ 550. $Which one has the highest paramagnetism ?$ (1) $Ni(CO)4$ (2) $[Co(NH3)6]Cl3$ (3) $[Ni(NH3)6]Cl2$ (4) $[Cu(NH3)4]Cl2$ 551. $Which of the following is a negatively charged bidentate ligand?$ (1) $Dimethyl glyoximato$ (2) $Cyano$ (3) $Ethylene diamine$ (4) $Acetato$ 552. $In which of the following complex ion, the central metal ion is in a state of s p^{3} d^{2} hybridisation?$ (1) $[C o F_{6}]^{3 -}$ (2) $(Fe (CN)_{6})^{3 -}$ (3) $(Co (NH_{3})_{6})^{3 +}$ (4) $(Cr (NH_{3})_{6})^{3 +}$ 553. $(Fe (NO_{2})_{3} Cl_{3}) and (Fe (O - NO)_{3} Cl_{3}) shows$ (1) $linkage isomerism$ (2) $geometrical isomerism$ (3) $optical isomerism$ (4) $hydrate isomerism.$ 554. $Addition of excess of AgNO_{3} to an aqueous solution of 1 mole of PdCl_{2} \cdot 4 NH_{3} gives 2 moles of AgCl . The conductivity of this solution corresponds to$ (1) $1:1 electrolyte$ (2) $1 : 3 electrolyte$ (3) $1 : 2 electrolyte$ (4) $1 : 4 electrolyte.$ 555. $The formula of pentaaquanitratochromium(III) nitrate is$ (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) $(Cr (H_{2} O)_{5} NO_{2}) NO_{3}$ 556. $[Fe(H_{2} O)_{5} NO]^{2 +} is a complex formed during the brown ring test for NO_{3}^{-} ion. In this complex$ (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) $All of the above statements are correct.$ 557. $Which coordination complex from following contains neutral ligand?$ (1) $Pentacarbonyl iron(0)$ (2) $Trioxalatocobaltate(III) ion$ (3) $Sodium hexanitrocobaltate(III)$ (4) $Tetracyanonickelate(II) ion$ 558. $Number of Complexes with even number of electrons in t_{2 g} orbitals is - (Fe (H_{2} O)_{6})^{2 +}, (Co (H_{2} O)_{6})^{2 +}, (Co (H_{2} O)_{6})^{3 +}, (Cu (H_{2} O)_{6})^{2 +}, (Cr (H_{2} O)_{6})^{2 +}$ (1) $2$ (2) $3$ (3) $1$ (4) $5$ 559. $Which of the following coordination compounds would exhibit optical isomerism?$ (1) $Pentaamminenitrocobalt(III) iodide$ (2) $Diamminedichloroplatinum(II)$ (3) $trans‐Dicyanobis(ethylenediamine) chromium (111) chloride$ (4) $tris‐(Ethylenediamine)cobalt(III) bromide$ 560. $The complex, [Pt (py) (NH_{3}) BrCl] will have how many geometrical isomers?$ (1) $3$ (2) $4$ (3) $0$ (4) $2$ 561. $The molecule/ion with square pyramidal shape is:$ (1) $(Ni (CN)_{4})^{2 -}$ (2) $PCl_{5}$ (3) $BrF_{5}$ (4) $PF_{5}$ 562. $Crystal field stabilization energy for high spin d^{4} octahedral complex is$ (1) $- 1.8 ∆_{o}$ (2) $- 1.6 ∆_{o} + P$ (3) $- 1.2 ∆_{o}$ (4) $- 0.6 ∆_{o}$ 563. $The correct order of (FeF_{6})^{3 -}, (CoF_{6})^{3 -}, (Ni (CO)_{4}) and (Ni (CN)_{4})^{2 -} complex species based on the number of unpaired electrons present is:$ (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) $(Ni (CN)_{4})^{2 -} > (FeF_{6})^{3 -} > (CoF_{6})^{3 -} > (Ni (CO)_{4})$ 564. $The correct structure of ethylenediaminetetraacetic acid (EDTA) is :$ (1) (2) (3) (4) 565. $Select the diamagnetic complex ion amongst the following complexes. (Atomic no. Fe = 26, Co = 27)$ (1) $K_{3} (Fe (CN)_{6})$ (2) $(Co (NH_{3})_{6}) Cl_{3}$ (3) $K_{3} (FeF_{6})$ (4) $K_{3} (CoF_{6})$ 566. $Given below are two statements . Statement I : In C u S O_{4} . 5 H_{2} O, Cu-O bonds are present. Statement II : In C u S O_{4} . 5 H_{2} O, ligands coordinating with Cu(II) ion are O-and S-based ligands. choose the correct answer from the options given below$ (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) $Statement I is incorrect but Statement II is correct$ 567. $What is the number of donor atoms in dimethylglyoximato ligand?$ (1) $1$ (2) $2$ (3) $3$ (4) $4$ 568. $Total number of relatively more stable isomer(s) possible for octahedral complex [Cu (e n)_{2} (S C N)_{2}] will be___________.$ 569. $The sum of bridging carbonyls in W (C O)_{6} and M n_{2} (C O)_{10} is________.$ 570. $The sum of oxidation states of two silver ions in [Ag (N H_{3})_{2}] [Ag (C N)_{2}] complex is ____.$