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Chemical Bonding and Molecular Structure

25 questions · Chemistry · JEE Advanced
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Chemical Bonding and Molecular Structure

25 questions · Chemistry · JEE Advanced

  1. Regarding the molecular orbital (MO) energy levels for homonuclear diatomic molecules, the INCORRECT statement(s) is(are)2025 · Shift 1 · Q5 · Multiple correct
  2. The correct statement(s) about intermolecular forces is(are)2025 · Shift 2 · Q5 · Multiple correct
  3. Based on VSEPR model, match the xenon compounds given in List-I with the corresponding geometries and the number of lone pairs on xenon given in List-II and choose the correct option. Includes table2024 · Shift 1 · Q15 · MCQ
  4. The option(s) in which at least three molecules follow Octet Rule is(are)2024 · Shift 1 · Q7 · Multiple correct
  5. The correct molecular orbital diagram for F2​ molecule in the ground state is :2023 · Shift 2 · Q1 · MCQ
  6. Consider the following molecules: Br3​O8​, F2​O,H2​S4​O6​,H2​S5​O6​, and C3​O2​. Count the number of atoms existing…2023 · Shift 2 · Q10 · Numerical
  7. Among [I3​]+,[SiO4​]4−,SO2​Cl2​,XeF2​,SF4​,ClF3​,Ni(CO)4​,XeO2​ F2​,[PtCl4​]2−,XeF4​…2023 · Shift 2 · Q9 · Numerical
  8. Consider the following compounds in the liquid form : O2​, HF, H2​O, NH3​, H2​O2​, CCl4​, CHCl3​, C6​H6​, C6​H5​Cl When a charged comb is brought near their flowing stream, how many of them show deflection as per the… Includes diagram2020 · Shift 2 · Q2 · Numerical
  9. Each of the following options contains a set of four molecules. Identify the option(s) where all four molecules posses permanent dipole moment at room temperature.2019 · Shift 1 · Q12 · Multiple correct
  10. 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)2017 · Shift 1 · Q9 · Numerical
  11. The compound(s) with TWO lone pairs of electrons on the central atom is(are)2016 · Shift 1 · Q6 · Multiple correct
  12. According to Molecular Orbital Theory, which of the following statements is(are) correct?2016 · Shift 2 · Q7 · Multiple correct
  13. Among the triatomic molecules/ions, BeCl2​, N3−​, N2​O, NO2+​, O3​, SCl2​, ICl2−​, I3−​ and XeF2​, the total number of linear molecule(s)/ion(s) where the hybridization of the central atom does not have…2015 · Shift 1 · Q7 · Numerical
  14. Hydrogen bonding plays a central role in the following phenomena2014 · Shift 1 · Q11 · Multiple correct
  15. A list of species having the formula XZ4​ is given below. XeF4​, SF4​ ,SiF4​, BF4−​, BrF4−​, [Cu(NH3​)4​]2+, [FeCl4​]2−, [CoCl4​]2− and [PtCl4​]2− Defining shape on the basis of the location of X and Z…2014 · Shift 1 · Q5 · Numerical
  16. Match the orbital overlap figures shown in List I with the description given in List II and select the correct answer using the code given below the lists. Includes diagram2014 · Shift 2 · Q18 · MCQ
  17. Assuming 2s – 2p mixing is NOT operative, the paramagnetic species among the following is2014 · Shift 2 · Q4 · MCQ
  18. The shape of XeO2​F2​ molecule is2012 · Shift 2 · Q8 · MCQ
  19. Based on VSEPR theory, the number of 90 degree F-Br-F angles in BrF5​ is2010 · Shift 1 · Q1 · Numerical
  20. The species having pyramidal shape is2010 · Shift 2 · Q1 · MCQ
  21. Assuming that Hund's rule is violated, the bond order and magnetic nature of the diatomic molecule B2​ is2010 · Shift 2 · Q7 · MCQ
  22. Match each of the diatomic molecules in Column I with its property/properties in Column II: Includes table2009 · Shift 1 · Q19 · MCQ
  23. The species having bond order different from that in CO is :2007 · Shift 1 · Q1 · MCQ
  24. Statement 1 : Boron always forms covalent bond. Statement 2 : The small size of B 3+ favours formation of covalent bond.2007 · Shift 1 · Q10 · MCQ
  25. Among the following the paramagnetic compound is:2007 · Shift 1 · Q2 · MCQ