Ask your question. Considering this, is li2 unstable? Is Li2− paramagnetic or diamagnetic? And From the MOT concept Be2 doesn’t exists as its Border is 0 and in case of para or dia it is diamagnetic. There is a note in the course reader that says He2 is unstable, why is this? And let's look at some elements. Bond order. If value of bond order is positive, it indicates a stable molecule and if the value is negative or zero, it means that the molecule is unstable. Paramagnetic elements are strongly affected by magnetic fields because their subshells are not completely filled with electrons. Our videos prepare you to succeed in your college classes. See the answer. A must visit.... kudos to the team! But in all other case there's an unpaired electron. Answer Save. which of the following species has plane triangular shape Are you sure you want to delete your answer? Analysis done by Bond Order. Chemistry. Bond order is the number of chemical bonds between a pair of atoms. Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes! (c) Complete this molecular circuit diagram for CN – and then fasten the bond order. The number of antibonding electron pairs in O 2 Hence be2 is neither diamagnetic nor paramagnetic as it does not exist. She has taught science courses at the high school, college, and graduate levels. What is the bond order of He2? Yes O2 (2+) is diamagnetic. A species is said to  be diamagnetic when it has all the paired electrons. All materials are diamagnetic. In paramagnetic materials, the magnetic moments of the electrons don't completely cancel each other out. Whereas, B2 molecule has unpaired electrons. Would you expect to observe the sp mixture? And so the magnetic fields cancel. B 2 molecule is formed by the overlap of atomic orbitals of both boron atoms. For Example, if we look at CO Molecule, it is diamagnetic as all the electron in CO are paired as in the figure below: Fig. The correct explanation comes from Molecular Orbital theory. 2) NO3- Expert … When I completed the molecular orbital diagram all the orbitals are filled and it is diamagnetic. 1. B 2 molecule: The electronic configuration of B atom (Z = 5) is. Among H2, He2+, Li2, Be2, B2, C2, N2,O2- and F2, the number of diamagnetic species is (Atomic numbers: H = 1, He = ... 5, C = 6, N = 7, O = 8, F = 9) In the formation of B 2 molecule, three valence electrons of each boron atom i.e. … 12. Solved The rank of the matrix A = [ 4 4 0 3 -2 3 -1 5 1 4 8 7 1 1 1 1 ], CAT 2020: Result, Cutoff, Final Answer Key (Released), Response Sheet, CAT Cutoff 2020 - IIM CAT Cut Off and Top MBA Admission Cutoff 2021, CAT Final Answer Key 2020 (OUT): Download CAT 2020 Official Answer Key PDFs at iimcat.ac.in, CLAT 2021: Official Notification (Released) Application, Exam (May 9), Participating Colleges, Seats, CAT Result 2020: Expected Date, Direct Link, Percentile & Score Card @iimcat.ac.in, Top MBA Colleges in India Accepting CAT Score, which of species is diamagnetic? Correct option (a) O-2. Group Valence Electrons . paramagnetic: contains one or more unpaired electrons. No. He2+ ion does not exist in general form.....(so how can we answer ur question.) 9 Molecular Orbital Diagram for CO. 5 points He2+ ion diamagnetic Ask for details ; Follow Report by Ahirrajat7 14.10.2017 Log in to add a comment What do you need to know? Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile. When you look back in life , this app would have played a huge role in laying the foundation of your career decisions. You can determine whether the net effect in a sample is diamagnetic or paramagnetic by examining the electron configuration of each element. Among H2, He2+, Li2, Be2, B2, C2, N2,O2–and F2, the number of diamagnetic species is (Atomic numbers: H = 1, He = 2, Li = 3, Be = 4, B = 5, C = 6, N = 7, O = 8, F = 9) "O"_2 is paramagnetic because it has two unpaired electrons. Tech Companion - A Complete pack to prepare for Engineering admissions, MBBS Companion - For NEET preparation and admission process, QnA - Get answers from students and experts. For dihydrogen cation (H2+) there is one unpaired electron in bonding sigma orbital. > The Lewis structure of "O"_2 gives a misleading impression. Construct two MO diagrams for C2: one with sp mixture and anudse. Physics Questions & Answers for AIEEE,Bank Exams,CAT,GATE, Analyst,Bank Clerk,Bank PO : Is B2+ Paramagnetic or Diamagnetic? The molecular orbital diagram of N 2 + is. Let's look at the definition for diamagnetic. This case is said to be diamagnetic. No. See the answer. Post by Nhi Vo 3A » Wed Oct 26, 2016 2:08 am . Obtain the electron configuration of the element from Wikipedia and add and subtract electrons to give the appropriate io (1) Cl^- : [Ne]3s^2 3p^6 ; all electrons paired: diamagnetic. This problem has been solved! Calculate a molecule’s bond order given its molecular orbital diagram. The antibonding orbital is empty. Expert … Thanks! So C2 is Diamagnetic. It is diamagnetic due to the absence of any unpaired electron.B2 molecule: The electronic configuration of B atom (Z = 5) is B2 molecule is formed by the overlap of atomic orbitals of both boron atoms. It's an atomic variation of Lenz's law, which states induced magnetic fields oppose the change that formed them. Why is he2+ stable? Question: Use Molecular Orbital Theory To Determine Whether He2 Or He2+ Is More Stable. From above discussion hope you have guessed that only dihydrogen H2 is diamagnetic species. Is Be2− paramagnetic or diamagnetic? To know the magnetic character of molecules we can use MO diagram. We have step-by-step solutions for your textbooks written by Bartleby experts! Diamagnetism occurs when orbital electron motion forms tiny current loops, which produce magnetic fields. Draw The Molecular Orbital Diagram For Each And Explain Your Answer. The bonding diagram for the hypothetical molecule He2. Determine the number of valence electron. Question: Is Ne2 a Paramagnetic or Diamagnetic ? The Question containing Inaapropriate or Abusive Words, Question lacks the basic details making it difficult to answer, Topic Tagged to the Question are not relevant to Question, Question drives traffic to external sites for promotional or commercial purposes, The Answer containing Inaapropriate or Abusive Words, Answer drives traffic to external sites for promotional or commercial purposes. 4. Ne22 o22 f22 o22 none of the above are paramagnetic. Join Yahoo Answers and get 100 … Analysis done by Bond Order. And so this balance allows us to figure out if something is paramagnetic or not. So helium right here. Tungsten. In contrast, paramagnetic and ferromagnetic materials are attracted by a magnetic field. 3) NO2- 1) H2- The diamagnetic contribution from the valence electrons is small, but from a closed shell it is proportional to the number of electrons in it and to the square of the radius of the ‘orbit’. Explain why the He2 molecule is NOT experimentally observed. Whereas, B2 molecule has unpaired electrons. Join now. Explanation: We can work this out by looking at the molecular orbital diagram of O2 O2 (2+) has two fewer electrons than O2 which is what it gives it positive charge. But in option 3 in H2 there's no unpaired electron. Hence be2 is neither diamagnetic nor paramagnetic as it does not exist.

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