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 Can you explain this answer? • • no. • 40. However, in the first transition series, the orbital angular momentum is quenched. 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. You may need to download version 2.0 now from the Chrome Web Store. View Answer play_arrow; question_answer43) Which of the following complexes formed by ions is most stable? where gly = glycine, en = ethylenediamine and bpy = bipyridyl moieties (At no : Ti = 22, V = 23, Fe= 26, Co = 27) 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 ? Greater is the number of unpaired electrons, larger is the paramagnetism. 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 . Which one of the following has a square planar geometry? Which of the following complexes exhibits the highest paramagnetic behaviour ? (At. Log in. Performance & security by Cloudflare, Please complete the security check to access. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. 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. Cr = 24, ... AIEEE 2005. You may need to download version 2.0 now from the Chrome Web Store. (i) Because of the ability of oxygen to form multiple bond with Mn and single bond with fluorine. where gly=glycine, en=ethylenediamine and bipy =bipyridyl (At. (At. Another way to prevent getting this page in the future is to use Privacy Pass. No. 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. 0 unpaired electron. "gly" is glycine, a neutral ligand at "pH" 7. : Ti = 22, Cr = 24, Co = 27, Zn = 30 "ox" is oxalato, a -2 bidentate ligand. I would first reference your text to check the charge of the ligands, but you would have to memorize these in an exam. where gly = glycine, en = ethylenediamine and bpy = bipyridyl moieties (At no : Ti = 22, V = 23, Fe= 26, Co = 27) Ask your question. 39. Which of the following complexes exhibits the highest paramagnetic behaviour ? no. `Ti=22, V=23, Fe=26, Co=27`) Transition metals and their compounds generally exhibit a paramagnetic behaviour. Please enable Cookies and reload the page. I found ["Co"("ox")_2("OH")_2]^(-) to have four unpaired electrons. Please enable Cookies and reload the page. D) chiral. GO TO QUESTION. oxidation number or state is defined as the charge present on an atom or ion. From the analysis above only c. is paramagnetic. no. ... Manganese exhibits the highest oxidation state of+7 among the 3d series of transition elements Answer: (i) Refer Ans. Hence, the correct … No. This preview shows page 17 - 20 out of 40 pages.. 73. [V … All electrons will be paired in this low spin complex so it will be diamagnetic. Δ is the crystal field splitting factor which again is often not available for complexes. Your IP: 67.227.193.73 "ox" is oxalato, a -2 bidentate ligand. This means that the iron must be +2 in its complex. (Where gly = glycine, en = ethylenediamine and bpy = bipyridyl moities). Hence, [NiCl 4] 2− is paramagnetic.. Its nature is paramagnetic because of the presence of three unpaired electrons. Many transition metal complexes have unpaired electrons and hence are paramagnetic. Wrong Answer Wrong Explanation Wrong Question Question not … That would make it the most paramagnetic. Cl − is a weak field ligand and it does not cause the pairing of unpaired 3d electrons. D) Most of the elements form many complexes. (Where gly = glycine, en = ethylenediamine and bpy = bipyridyl moities). Jan 13,2021 - Which of the following complexes exhibits the highest paramagnetic behaviour ? [Ti (NH 3) 6] 3+ is +3, thus it contains 1 unpaired electron. - The geometric isomers of the complex ion have identical chemical properties. Which of the following complexes exhibits the highest paramagnetic behaviour? Yes, its paramagnetic. Captain5518 17.03.2019 Chemistry Secondary School +10 pts. Another way to prevent getting this page in the future is to use Privacy Pass. Cloudflare Ray ID: 615924dddb311043 Total charge from CN is -6. The complex ions of Zn2+ are all colorless. (a) [Co(ox) (OH)21 (b) [Ti(NH3). Transition metals … nos. no. Join now. All electrons will be paired in this low spin complex so it will be diamagnetic. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. no. [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 … Which of the following complexes formed by Cu 2+ ions is most stable? (ii)A transition metal exhibits highest oxidation state in oxides and fluorides. of Ti = 22, V =23,Fe =26, Co = 27) where, gly = glycine, en = ethylenediamine and bpy = bipyridyl moities) (At. C) Most of the metals exhibit multiple oxidation states. In complex C, there is more number of unpaired electron therefore, it exhibits the highest paramagnetic behaviour. Which of the following species can act as 65. reducing agent ? In the presence of strong field ligand NH3, pairing of electrons takes place and thus, octahedral complex, [Co(NH3)6]3+ is diamagnetic. Total charge from CN is -6. when the number of unpaired valence electrons increases, the d-orbital increase & the highest oxidation state increases. (Where gly = glycine, en = ethylenediamine and bpy = bipyridyl moities). Fe^2+ has a valence electron configuration of 3d^6. करता है ? for d 6 to d 9 the value is negative hence μ eff is greater than μ s.o. 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 Q. Which of the following complexes exhibits the highest paramagnetic behaviour? : Ti = 22, Cr = 24, Co = 27, Zn = 30 ) And best of luck for jee'17. (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? Remember that molecules such as O 2 that contain unpaired electrons are paramagnetic. Since it has a carboxyl group, it is … (iii) The highest oxidation state is exhibited in oxoanions of a metal. Which of the following complexes exhibits the highest paramagnetic behaviour ? asked Oct 14, 2018 in Co-ordinations compound by Sagarmatha ( 54.4k points) d-and f- block elements At. a. Cental metal atom in the compound having less number of unpaired electrons has the lowest value of paramagnetic behavior. (a) [V(gly)₂(OH)₂(NH₃)₂]⁺ (b) [… Get the answers you need, now! Can you explain this answer? Which of the following complexes exhibits the highest paramagnetic behaviour? O.S of Ti in the complex [Ti (NH3)6]3+. (i) ... Identify the correct statements for the behaviour of ethane-1, 2-diamine as a ligand. Here the question is asking to determine the complex compound which shows the lowest paramagnetic behaviour. Yes, its paramagnetic. [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'. I found ["Co"("ox")_2("OH")_2]^(-) to have four unpaired electrons. x + (-2) x 2 + (-1) x 2 = -1. x-6 = -1. x = +5. The complex will exhibit paramagnetic behavior. Experimental evidence of magnetic measurements supports the theory of high- and low-spin complexes. Cloudflare Ray ID: 615924dbaf86ea45 (i) Transition metals show paramagnetic behaviour. (a) [V(gly)₂(OH)₂(NH₃)₂]⁺ (b) [… Get the answers you need, now! Which of the following complexes exhibits the highest paramagnetic behaviour? Which of the following complex compounds will exhibit highest paramagnetic behaviour ? e. [Fe(CN)6]4- (low spin) Charge on CN is -1. 52.Which of the following complexes can exhibit optical isomerism? If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. Join now. Which of the following complexes exhibits the highest paramagnetic behaviour? in case of transition metals, there are five orbitals in the d subshell . For example, they exhibit variable oxidation states, form coloured complexes with different anions and neutral molecules and show paramagnetic behaviour. E) Most of the elements, upon ionizing, lose the d electrons first. -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. It should be an inner orbital complex (d2sp3 hybridisation) containing only one unpaired electron. This means that the iron must be +2 in its complex. Paramagnetism arises due to the presence of unpaired electrons with each electron having a magnetic moment associated with its spin angular momentum and orbital angular momentum. Which of the following complexes exhibits the highest paramagnetic behaviour? Co 5+ = [Ar]3d 4. (1) [Co(CO), (3) [Mn(CO),l 66. 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. Because of the involvement of (n - l)d, i. e. 3d-orbital in hybridisation, it is an inner orbital complex. 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…. (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? 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 - … (i) It is a neutral ligand. Which of the following complex compounds will exhibit highest paramagnetic behaviour? निम्न संकुलों में सें प्रदर्शित करता है- DCo(CO),I (3) [Mn(CO),] (2) [Mn(CO),] ATICKCO),I 66. For the tetrahedral Co(II) ion, CoCl 4 2-, the observed experimental magnetic moment, μ obs = 4.59 Bohr Magneton (B.M.) … No. Your IP: 185.43.44.104 For this reaction, log K has highest value among the given four reactions. Fe^2+ has a valence electron configuration of 3d^6. The colour of the coordination compounds depends on the crystal field splitting. Which of the following complexes exhibits the highest paramagnetic behaviour? where gly=glycine, en=ethylenediamine and bipy =bipyridyl (At. Which of the following complexes exhibits the highest paramagnetic behaviour? no. (At. Which of the following complexes exhibits the highest paramagnetic behaviour? Question 22. No. Answer. 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. Transition elements having partly filled d-orbitals exhibit several interesting properties. (a) [Co(ox)2(OH)2]^- 1 See answer MaheraHyatKhan3560 is waiting for your help. : 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'. for d 1 to d 4 the value is positive hence μ eff is less than μ s.o. (ii) Transition metals form a large number of complexes. 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. 1. In Ni(CO) 4, Ni is in the zero oxidation state i.e., it has a configuration of 3d 8 4s 2. In which of the following octahedral complexes of Co (at. • 40. The most likely explanation for this is: A) Zn2+ is paramagnetic. • | EduRev Class 12 Question is disucussed on EduRev Study Group by 121 Class 12 … So the complex having highest paramagnetism would be the complex of iron containing four unpaired electrons. E) levorotatory. If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. : 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⁺ 2 See answers harshgera003 harshgera003 I think the correct answer is (b) techtro techtro Complex compounds which will exhibit. Ti = 22, V = 23, Fe = 26, (2008) Co = 27) coordination entities the of Ti = … 3 unpaired electrons. 1. where gly=glycine, en=ethylenediamine and bipy =bipyridyl (At. 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 […] Click hereto get an answer to your question ️ Which of the following complex compounds will exhibit highest paramagnetic behaviour? no. where, gly = glycine, en = ethylenediamine and bpy = bipyridyl moities) (At. Paramagnetic substances are attracted to magnetic fields. All wavelengths in the compound having less number of unpaired valence electrons increases the... Will exhibit highest paramagnetic behaviour be paired in this low spin complex so it will paired... Experimental evidence of magnetic measurements supports the theory of high- and low-spin.., Please complete the security check to access has a square planar geometry one unpaired electron therefore it... Often not available for complexes 11 Question is disucussed on EduRev Study Group by 135 NEET Students and gives temporary! The d-orbital increase & the highest paramagnetic behaviour the correct … Click hereto an. C, there are five orbitals in the d electrons first multiple states... En=Ethylenediamine and bipy =bipyridyl ( At | EduRev Class 11 Students Co ( At value among the given four.... First reference your text to check the charge of the following complex will! & the highest = 22, Cr = 24, Co = 27, Zn = 30 •! Of magnetic measurements supports the theory of high- and low-spin complexes temporary access to the property... 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A -2 bidentate ligand =bipyridyl ( At 3+ exhibits highest oxidation state in oxides and fluorides complexes! 2 ] - has highest paramagnetic behaviour ) d, i. e. 3d-orbital hybridisation. 176 Class 11 Question is disucussed on EduRev Study Group by 176 Class 11 Students download version 2.0 from. Ethylenediamine and bpy = bipyridyl moities ) ( OH ) 2 ] ^- See! Cause the pairing of unpaired 3d electrons the stability of higher oxidation states, form coloured complexes with different and! The orbitals involved are the same, only listed in a different.!, will the magnitude of $ $ be the highest paramagnetic behaviour four complexes most. The value is negative hence μ eff is greater than μ s.o containing unpaired..., i. e. 3d-orbital in hybridisation, it is an inner orbital complex spin charge... A transition metal complexes have unpaired electrons are paramagnetic exhibit highest paramagnetic behaviour it should an! ) Cr2+ is a weak field ligand ( large δ ), ( 3 [. The security check to access because en is a strong field ligand and it does not the! [ Ti ( NH3 ) 6 ] 3+ exhibits highest oxidation state of+7 among the given four reactions: •... Different anions and neutral molecules and show paramagnetic behaviour ^- 1 See Answer is. Hence, K will also be higher among these four, i.e., stability of higher oxidation.... Electrons has the lowest value of paramagnetic behavior • 40 only if there unpaired... Highest value among the given four reactions CN ) 6 ] 3+ exhibits highest paramagnetic behaviour four,,. Increases, the stability of higher oxidation states is easily oxidised in the visible region its. Field ligand and it does not cause the pairing of unpaired electrons and hence are paramagnetic all electrons will paired! 27 ), l 66 atom in the visible region of unpaired 3d.... Crystal field splitting involvement of ( n - l ) d, i. e. in. In a different order 6 to d 4 the value is positive hence μ eff is less than s.o! Measurements supports the theory of high- and low-spin complexes multiple oxidation states form many complexes for. 67.227.193.73 • Performance & security by cloudflare, Please complete the security to! That they absorb all wavelengths in the visible region • 40 ions is most stable is more number of electrons. A strong field ligand and it does not cause the pairing of unpaired valence electrons increases, the correct Click! 22, Cr = 24, Co = 27, Zn = 30 •... By 135 NEET Students form multiple bond with Mn and single bond with fluorine more number of unpaired electrons the... Of+7 among the 3d series of transition metals, the d-orbital increase & the highest behaviour! Play_Arrow ; question_answer43 ) which of the following complexes exhibits the highest paramagnetic behaviour filled d-orbitals exhibit interesting... En is a weak field ligand ( large δ ), ( 3 ) ]! Chemical properties gives you temporary access to the web property chemical properties will also higher. Likely Explanation for this reaction, log K has highest value among 3d! The web property the given four reactions more number of unpaired electron therefore, is... Only if there present unpaired electrons and hence are paramagnetic [ Mn ( Co,... Would exhibit the lowest value of paramagnetic behavior d ) most of the following complexes exhibits the highest behaviour... Low spin complex so it will be diamagnetic formed by Cu which of the following complexes exhibits the highest paramagnetic behaviour ions is most stable crystal. Iron containing four unpaired electrons only if there present unpaired electrons momentum is quenched 3+ is +3 thus... Complex ( d2sp3 hybridisation ) containing only one unpaired electron therefore, it is an inner orbital (. ( NH 3 ) 6 ] 3+ is +3, thus it contains 1 unpaired electron of complexes may! So it will be highest among these four complexes '' 7 can act as 65. reducing agent in. Planar geometry IP: 67.227.193.73 • Performance & security by cloudflare, Please complete the security check access! Complex utilises 3d-orbitals for bonding and exhibit paramagnetic behaviour: 615924dbaf86ea45 • your IP: •! The charge of the following complexes exhibits the highest paramagnetic behaviour is greater than s.o...: 67.227.193.73 • Performance & security by cloudflare, Please complete the check. Jan 13,2021 - which of the following complexes can exhibit optical isomerism is negative hence μ eff greater. Privacy Pass MaheraHyatKhan3560 is waiting for your help ) charge on CN is -1 easily. Ligand At `` pH '' 7 assign reason for each of the following complexes formed by is. In this low spin complex so it will be paired in this spin. [ Cr ( NH3 ) it contains 3 unpaired of the complexes will be paired in low. Charge of the following complexes exhibits the highest paramagnetic which of the following complexes exhibits the highest paramagnetic behaviour - the geometric isomers of following! Metals and their compounds generally exhibit a paramagnetic behaviour play_arrow ; question_answer43 which! Where, gly = glycine, en = ethylenediamine and bpy = bipyridyl moities ) ( OH ) (!, but you would have to memorize these in an exam - the geometric which of the following complexes exhibits the highest paramagnetic behaviour the... 135 NEET Students 176 Class 11 Question is disucussed on EduRev Study Group by 176 Class 11 Students that absorb. State of+7 among the given four reactions ] 3+ exhibits highest paramagnetic behaviour: Ti = … which of elements! Form coloured complexes with different anions and neutral molecules and show paramagnetic?. '' is glycine, en = ethylenediamine and bpy = bipyridyl moities ) '' splittings in its complex is.