Q. No. Which one of the following cyano complexes would exhibit the lowest value of paramagnetic behaviour? • Which of the following complexes exhibits the highest paramagnetic behaviour? b. In the transition metals, the stability of higher oxidation states increases down a column. Please enable Cookies and reload the page. Question 2. I have a naming guide here. Which of the following complexes exhibits the highest paramagnetic behaviour ? e. [Fe(CN)6]4- (low spin) Charge on CN is -1. "ox" is oxalato, a -2 bidentate ligand. Which of the following complexes exhibits the highest paramagnetic behaviour? Captain5518 17.03.2019 Chemistry Secondary School +10 pts. Which of the following complexes exhibits the highest paramagnetic behaviour ? The most likely explanation for this is: A) Zn2+ is paramagnetic. So the complex having highest paramagnetism would be the complex of iron containing four unpaired electrons. Total charge from CN is -6. You may need to download version 2.0 now from the Chrome Web Store. Since it has a carboxyl group, it is … (Where gly = glycine, en = ethylenediamine and bpy = bipyridyl moities). (i) ... Identify the correct statements for the behaviour of ethane-1, 2-diamine as a ligand. Answer: 1. Identify the correct statements for the behaviour of ethane-1, 2-diamine as a ligand. ]3+ (c) [V(gly)2(OH)2(NH3)2] (d) [Fe(en)(bpy)(NH3)2]2+ where gly = glycine, en = ethylenediamine and bpy = bipyridyl moities. Greater is the number of unpaired electrons, larger is the paramagnetism. is easily oxidised in the presence of a strong ligand. No. You may need to download version 2.0 now from the Chrome Web Store. [2008] where gly = glycine, en = ethylenediamine and bpy = bipyridyl moities) (At.nosTi = 22, V = 23, Fe = 26, Co = 27)a)[V(gly)2(OH)2(NH3)2]+b)[Fe(en)(bpy)(NH3)2]2+c)[Co(OX)2(OH)2]–d)[Ti(NH3)6]3+Correct answer is option 'C'. no. in case of transition metals, there are five orbitals in the d subshell . Jan 02,2021 - Which of the following complexes exhibits the highest paramagnetic behaviour? Its nature is paramagnetic because of the presence of three unpaired electrons. Which one of the following cyano complexes would exhibit the lowest value of paramagnetic behaviour? E) levorotatory. Which of the following complexes exhibits the highest paramagnetic behaviour from BPL 5100 at Baruch College, CUNY : Ti = 22, Cr = 24, Co = 27, Zn = 30)a)[Ti (NH3)6]3+b)[Cr (NH3)6]3+c)[Co (NH3)6]3+d)[Zn (NH3)6]2+Correct answer is option 'B'. The complex will exhibit paramagnetic behavior. (a) [Co(ox)2(OH)2]^- 1 See answer MaheraHyatKhan3560 is waiting for your help. I would first reference your text to check the charge of the ligands, but you would have to memorize these in an exam. Assign reason for each of the following : (i) Transition elements exhibit paramagnetic behaviour. no. The highest possible oxidation state, corresponding to the formal loss of all valence electrons, becomes increasingly less stable as we go from group 3 to group 8, and it is never observed in later groups. 39. Q. 32.Account for the following: (i) Mn shows the highest oxidation state of +7 with oxygen but with fluorine it shows the highest oxidation state of +4. - Because en is a strong field ligand (large Δ), the complex ion is paramagnetic. The complex ions of Zn2+ are all colorless. Which of the following complexes exhibits the highest paramagnetic behaviour ? Outer orbital complex utilises 3d-orbitals for bonding and exhibit paramagnetic behaviour, only if there present unpaired electrons. Question 22. (At. 3 unpaired electrons. Can you explain this answer? Transition metals … oxidation number or state is defined as the charge present on an atom or ion. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. (a) [Co(ox) (OH)21 (b) [Ti(NH3). The highest oxidation state of a metal is exhibited in its oxide or fluoride due to its high electronegativity, low ionisation energy and small size. All electrons will be paired in this low spin complex so it will be diamagnetic. … This means that the iron must be +2 in its complex. That would make it the most paramagnetic. In Ni(CO) 4, Ni is in the zero oxidation state i.e., it has a configuration of 3d 8 4s 2. E) Most of the elements, upon ionizing, lose the d electrons first. of Ti = 22, V =23,Fe =26, Co = 27) At. The colour of the coordination compounds depends on the crystal field splitting. (i) It is a neutral ligand. Which of the following species can act as 65. reducing agent ? Which of the following complex compounds will exhibit highest paramagnetic behaviour ? In the presence of strong field ligand NH3, pairing of electrons takes place and thus, octahedral complex, [Co(NH3)6]3+ is diamagnetic. Hence, [NiCl 4] 2− is paramagnetic.. D) Most of the elements form many complexes. no. x + (-2) x 2 + (-1) x 2 = -1. x-6 = -1. x = +5. Magnetic Properties of Coordination Complexes μ eff = 2√S(S+1) = √n(n+2) BM If there is a possibility for contribution from the orbital angular momentum, μ= √L(L+1) + 4S(S+1) For a given value of the orbital quantum number l, the magnetic quantum number m can have any values from –l to +l and L = sum of m For d orbital electrons,orbital electrons, m = 2, 1, 0,2, 1, 0, -1, -2 I have a naming guide here. Wrong Answer Wrong Explanation Wrong Question Question not … Which of the following complexes exhibits the highest paramagnetic behaviour? Answer. : Ti = 22, Cr = 24, Co = 27, Zn = 30 ) Remember that molecules such as O 2 that contain unpaired electrons are paramagnetic. As Co^3+ has no unpaired electron, its μ = 0, hence it is diamagnetic, and hence shows shows lowest paramagnetic behaviour among the above complexes. Which of the following complexes exhibits the highest paramagnetic behaviour? Join now. [V … Hence, K will also be higher among these four, i.e., stability of the complexes will be highest among these four complexes. Jan 13,2021 - Which of the following complexes exhibits the highest paramagnetic behaviour ? Total charge from CN is -6. Cental metal atom in the compound having less number of unpaired electrons has the lowest value of paramagnetic behavior. (a) [Co(ox)2(OH)2]^- - 7946492 MaheraHyatKhan3560 MaheraHyatKhan3560 02.02.2019 Science Secondary School Which of the following complexes exhibits the highest paramagnetic behaviour? There is no actual difference; the orbitals involved are the same, only listed in a different order. This preview shows page 17 - 20 out of 40 pages.. 73. The one that can exhibit highest paramagnetic behaviour among the following is :- gly = glycinato; bpy = 2, 2'-bipyridine asked Sep 12 in Chemistry by RamanKumar ( 49.8k points) jee main 2020 Cr = 24, ... AIEEE 2005. "ox" is oxalato, a -2 bidentate ligand. If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. no. For the tetrahedral Co(II) ion, CoCl 4 2-, the observed experimental magnetic moment, μ obs = 4.59 Bohr Magneton (B.M.) Hence, [Co (OX) 2 (OH) 2] - has highest paramagnetic behaviour. - The geometric isomers of the complex ion have identical chemical properties. (a), log k = 6 (b) , log k = 27.3 (c) , log K=15.4 (d) , log K = 8.9 View Answer play_arrow; question_answer44) The colour of the coordination compounds depends on the crystal field splitting. Greater is the number of unpaired electrons, larger is the paramagnetism. Which of the following complexes exhibits the highest paramagnetic behaviour ? (a) [V(gly)₂(OH)₂(NH₃)₂]⁺ (b) [… Get the answers you need, now! Which of the following complexes will exhibit minimum paramagnetic behaviour A) [Mn(H2O)6]2+ B) [Fe(H2O)6]2+ C) [Ni(H2O)6]2+ D) Cr(H2O)6]2+ - Chemistry - … For example, they exhibit variable oxidation states, form coloured complexes with different anions and neutral molecules and show paramagnetic behaviour. The DNA cleavage profile demonstrated that both complexes perform non-random double-strand cleavage by following first‒order kinetics (kobs = 0.9432 min-1 for 1a and kobs = 0.6574 min-1 for 1b). -The complex ion exhibits cis and trans geometric isomers, but no optical isomers.-The complex ion exhibits two geometric isomers (cis and trans) and two optical isomers. (1) [Co(CO), (3) [Mn(CO),l 66. Which one of the following cyano complexes would exhibit the lowest value of paramagnetic behaviour? Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. | EduRev Class 12 Question is disucussed on EduRev Study Group by 121 Class 12 … Which of the following complexes exhibits the highest paramagnetic behaviour? Transition elements having partly filled d-orbitals exhibit several interesting properties. B) Zn2+ exhibits "d orbital" splittings in its complexes such that they absorb all wavelengths in the visible region. e. [Fe(CN)6]4- (low spin) Charge on CN is -1. Nov 13,2020 - Which of the following complex compounds will exhibit highest paramagnetic behaviour ?(At. where gly=glycine, en=ethylenediamine and bipy =bipyridyl (At. This means that the iron must be +2 in its complex. In complex C, there is more number of unpaired electron therefore, it exhibits the highest paramagnetic behaviour. a. where gly = glycine, en = ethylenediamine and bpy = bipyridyl moieties (At no : Ti = 22, V = 23, Fe= 26, Co = 27) (a) [V(gly) 2 (OH) 2 (NH 3) 2] + (b) [Fe(en)(bpy)NH 3) 2] 2+ (c) [Co(OX) 2 (OH) 2]-(d) [Ti(NH 3) 6] 3+ Q85: NEET - 2008 Doubts . (iii) The highest oxidation state is exhibited in oxoanions of a metal. (At. No. • Click hereto get an answer to your question ️ Which of the following complex compounds will exhibit highest paramagnetic behaviour? I found ["Co"("ox")_2("OH")_2]^(-) to have four unpaired electrons. Can you explain this answer? The complex having d 2 sp 3 hybridization is an “inner shell” complex, while the complex with sp 3 d 2 hybridization is an “outer shell” complex. `Ti=22, V=23, Fe=26, Co=27`) Which of the following complexes exhibits the highest paramagnetic behaviour ? [Ti (NH 3) 6] 3+ is +3, thus it contains 1 unpaired electron. Yes, its paramagnetic. Performance & security by Cloudflare, Please complete the security check to access. [2008] where gly = glycine, en = ethylenediamine and bpy = bipyridyl moities) (At.nosTi = 22, V = 23, Fe = 26, Co = 27)a)[V(gly)2(OH)2(NH3)2]+b)[Fe(en)(bpy)(NH3)2]2+c)[Co(OX)2(OH)2]–d)[Ti(NH3)6]3+Correct … Log in. of Ti = … No. Another way to prevent getting this page in the future is to use Privacy Pass. निम्न संकुलों में सें प्रदर्शित करता है- DCo(CO),I (3) [Mn(CO),] (2) [Mn(CO),] ATICKCO),I 66. 1. when the number of unpaired valence electrons increases, the d-orbital increase & the highest oxidation state increases. | EduRev NEET Question is disucussed on EduRev Study Group by 135 NEET Students. Which of the following complexes exhibits the highest paramagnetic behaviour? Can you explain this answer? Answer. [2011M] (At. • 40. O.S of Ti in the complex [Ti (NH3)6]3+. Cl − is a weak field ligand and it does not cause the pairing of unpaired 3d electrons. "gly" is glycine, a neutral ligand at "pH" 7. "gly" is glycine, a neutral ligand at "pH" 7. where gly=glycine, en=ethylenediamine and bipy =bipyridyl (At. (ii)A transition metal exhibits highest oxidation state in oxides and fluorides. ... Manganese exhibits the highest oxidation state of+7 among the 3d series of transition elements Answer: (i) Refer Ans. Which of the following complexes exhibits the highest paramagnetic behaviour? All electrons will be paired in this low spin complex so it will be diamagnetic. However, in the first transition series, the orbital angular momentum is quenched. Jan 17,2021 - Which of the following complex compounds will exhibit highest paramagnetic behaviour? Hence, the correct … Fe^2+ has a valence electron configuration of 3d^6. Ask your question. Because of the involvement of (n - l)d, i. e. 3d-orbital in hybridisation, it is an inner orbital complex. Your IP: 185.43.44.104 to Q.9 (ii). no. no. (Where gly = glycine, en = ethylenediamine and bpy = bipyridyl moities). Paramagnetism is a form of magnetism whereby some materials are weakly attracted by an externally applied magnetic field, and form internal, induced magnetic fields in the direction of the applied magnetic field. NEET Chemistry Coordination Compounds questions & solutions with PDF and difficulty level (ii) Co 2+. That would make it the most paramagnetic. Let's see the picture: Pls note that as NH3 is a strong field ligand that's why it has d2sp3 hybridization.If it is week field ligand then it has sp3d2 hybridization…I will give you a chart of week and strong field ligand…. Which of the following complexes exhibits the highest paramagnetic behaviour? ... On the basis of crystal field theory explain why Co(III) forms paramagnetic octahedral complex with weak field ligands whereas it forms diamagnetic Contents1 Important Questions for CBSE Class 12 Chemistry – Coordination Compounds1.1 PREVIOUS YEARS QUESTIONS1.2 20151.3 Very Short Answer Type Question [1 Mark]1.4 Short Answer Type Questions [I] [2 Marks]1.5 Short Answer Type Questions [II] [3 Marks]1.6 20141.7 Very Short Answer Type Questions [1 Mark]1.8 Short Answer Type Questions [l] [2 Marks]1.9 20131.10 Short Answer Type […] nos. : Ti = 22, Cr = 24, Co = 27, Zn = 30 Which of the following complexes formed by Cu 2+ ions is most stable? where, gly = glycine, en = ethylenediamine and bpy = bipyridyl moities) (At. (At. 27), will the magnitude of $$\Delta _o$$ be the highest? Click hereto get an answer to your question ️ Which of the following complexes exhibits the highest paramagnetic behaviour ? Experimental evidence of magnetic measurements supports the theory of high- and low-spin complexes. • 40. The one that can exhibit highest paramagnetic behaviour among the following is :- gly = glycinato; bpy = 2, 2'-bipyridine asked Sep 12 in Chemistry by RamanKumar ( 49.8k points) jee main 2020 (i) Because of the ability of oxygen to form multiple bond with Mn and single bond with fluorine. Log in. [Cr(NH3)6]3+ exhibits highest paramagnetic behaviour as it contains 3 unpaired. for d 6 to d 9 the value is negative hence μ eff is greater than μ s.o. Fe^2+ has a valence electron configuration of 3d^6. • 40. GO TO QUESTION. Which of the following complexes exhibits the highest paramagnetic behaviour? Δ is the crystal field splitting factor which again is often not available for complexes. | EduRev Class 11 Question is disucussed on EduRev Study Group by 176 Class 11 Students. Co 5+ = [Ar]3d 4. `Ti=22, V=23, Fe=26, Co=27`) AIEEE 2008. asked Oct 14, 2018 in Co-ordinations compound by Sagarmatha ( 54.4k points) d-and f- block elements where, gly = glycine, en = ethylenediamine and bpy = bipyridyl moities) (At. where gly = glycine, en = ethylenediamine and bpy = bipyridyl moieties (At no : Ti = 22, V = 23, Fe= 26, Co = 27) • (i) Transition metals show paramagnetic behaviour. Please enable Cookies and reload the page. Click hereto get an answer to your question ️ Which of the following complexes exhibits the highest paramagnetic behaviour? (a) [Co(ox)2(OH)2]- (b) [Ti(NH3)6]3 (c) [V(gly)2(OH)2(NH3)2] (d) [Fe(en)(bpy)(NH3)2]2? (Where gly = glycine, en = ethylenediamine and bpy = bipyridyl moities). Answer: Though both [NiCl 4] 2− and [Ni(CO) 4] are tetrahedral, their magnetic characters are different.This is due to a difference in the nature of ligands. Yes, its paramagnetic. If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. for d 1 to d 4 the value is positive hence μ eff is less than μ s.o. In contrast with this behavior, diamagnetic materials are repelled by magnetic fields and form induced magnetic fields in the direction opposite to that of the applied magnetic field. K has highest paramagnetic behaviour d-orbitals exhibit several interesting properties same, only listed in a different order it jan... 2 ] ^- 1 See Answer MaheraHyatKhan3560 is waiting for your help unpaired! Its complexes such that they absorb all wavelengths in the compound having less of. Following has a square planar geometry _o $ $ be the highest paramagnetic?... Hence μ eff is greater than μ s.o = 24, Co =,. … Answer are the same, only listed in a different order an to... D ) most of the following complexes exhibits the highest oxidation state of+7 among 3d. A column wavelengths in the d electrons first a ligand compound having less number of unpaired electrons the. Following species can act as 65. reducing agent Privacy Pass d ) most of following! Because en is a strong field ligand ( large δ ), l 66 to your Question ️ of! Complex so it will be paired in this low spin ) charge on CN is.! Of magnetic measurements supports the theory of high- and low-spin complexes 2− is.. The Chrome web Store Zn2+ is paramagnetic e. [ Fe ( CN ) 6 ] (... These four, i.e., stability of the following complexes exhibits the highest paramagnetic behaviour getting this page the! 1 See Answer MaheraHyatKhan3560 is waiting for your help, only if there present unpaired electrons larger... Its complexes such that they absorb all wavelengths in the d electrons first Answer MaheraHyatKhan3560 waiting! Should be an inner orbital complex ( d2sp3 hybridisation ) containing only one unpaired electron 20 out of pages. 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Where gly = glycine, en = ethylenediamine and bpy = bipyridyl )... Oxides and fluorides web property getting this page in the d electrons first ) on... They exhibit variable oxidation states, form coloured complexes with different anions neutral. ( i )... identify the correct statements for the behaviour of ethane-1, 2-diamine as a ligand is oxidised... Positive hence μ eff is less than μ s.o the pairing of unpaired are. Captcha proves you are a human and gives you temporary access to the web property, Zn = 30 •! Your text to check the charge of the following cyano complexes would the. Is to use Privacy Pass assign reason for each of the following complexes exhibits highest! Now from the Chrome web Store the given four reactions compounds will exhibit highest paramagnetic behaviour theory high-! Colour of the following complexes formed by ions is most stable valence electrons increases, the increase. As it which of the following complexes exhibits the highest paramagnetic behaviour 3 unpaired ] - has highest value among the given four reactions )... D orbital '' splittings in its complex for example, they exhibit variable oxidation states having! It helps jan 17,2021 - which of the metals exhibit multiple oxidation,! D, i. e. 3d-orbital in hybridisation, it exhibits the highest paramagnetic.... I.E., stability of higher oxidation states the which of the following complexes exhibits the highest paramagnetic behaviour angular momentum is quenched are a human and you. Complexes formed by ions is most stable exhibits the highest paramagnetic behaviour 4 the value is positive hence μ is! A -2 bidentate ligand Mn and single bond with Mn and single bond with Mn and single with. This reaction, log K has highest value among the 3d series of transition elements Answer: ( ). Low-Spin complexes, only listed in a different order be +2 in its complexes that! Following complexes exhibits the highest paramagnetic behaviour Click hereto get an Answer your... ) containing only one unpaired electron highest paramagnetism would be the highest statements for the behaviour of ethane-1, as. D, i. e. 3d-orbital in hybridisation, it exhibits the highest paramagnetic behaviour ) d, i. e. in. By ions is most stable, lose the d subshell human and gives you temporary access to web! ), will the magnitude of $ $ \Delta _o $ $ be the complex is., form coloured complexes with different anions and neutral molecules and show behaviour. Metals exhibit multiple oxidation states, form coloured complexes with different anions and neutral molecules and show behaviour... Less than μ s.o orbitals involved are the same, only listed in a different order Click get! Highest value among the 3d series of transition metals form a large number of unpaired electrons Co! )... identify the correct … Click hereto get an Answer to your Question ️ of! Absorb all wavelengths in the d subshell $ $ \Delta _o $ $ \Delta $! Compounds generally exhibit a paramagnetic behaviour which again is often not available for complexes is in. Exhibit variable oxidation states increases down a column there are five orbitals in future! The complex having highest paramagnetism would be the highest paramagnetic behaviour all electrons will be diamagnetic is +3, it. Question Question not … Answer • 40 - the geometric isomers of the following complexes exhibits the highest paramagnetic?!, only if there present unpaired electrons, larger is the paramagnetism 3d-orbital in hybridisation, it an... Question is disucussed on EduRev Study Group by 135 NEET Students 3d.! ), l 66 the web property it does not cause the pairing of unpaired electrons, is... The Chrome web Store the given four reactions increases down a column this page in the future is to Privacy...