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Chemistry - Structure of Atom

Practise 29 KVPY previous year questions on Structure of Atom, compiled from papers spanning 2010 to 2020. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty KVPY tests.

  1. 1A certain metal has a work function of = 2 eV . It is irradiated first with 1 W of 400 nm light and later with 1 W of 800 nm light. Among th2020 (SA)
  2. 2The correct set of quantum numbers for the unpaired electron of Cu atom is :2020 (SA)
  3. 3If the velocity of the revolving electron of He + in the first orbit ( n = 1 ) is v , the velocity of the electron in the second orbit is:2020 (SB/SX)
  4. 4The correct statements among the following. i. E 2 s ( H ) E 2 s ( Li ) E 2 s ( Na ) E 2 ( K ) ii. The maximum number of electrons in the sh2019 (SA)
  5. 5Among the following, the correct statement about cathode ray discharge tube is2019 (SA)
  6. 6Among the following, the incorrect statement is2018 (SA)
  7. 7The correct representation of wavelength intensity relationship of an ideal black body radiation at two different temperatures T 1 and T 2 i2018 (SB/SX)
  8. 8The maximum number of electrons that can be filled in the shell with the principal quantum number is19 Nov, 2017 (SA)
  9. 9emerging from a source at a speed (v) has a de Broglie wavelength of . The value of ) is closest to [Planck's constant19 Nov, 2017 (SA)
  10. 10The allowed set of quantum numbers for an electron in a hydrogen atom is19 Nov, 2017 (SB/SX)
  11. 11A object is moving with velocity . The de Broglie wavelength (in ) of the object is [Planck's constant05 Nov, 2017 (SA)
  12. 12The maximum number of electrons that can be filled in the shell with the principal quantum number is05 Nov, 2017 (SA)
  13. 13The photoelectric behaviour of and metals is shown in the plot below. If light of wavelength is incident on each of these metals, which of t05 Nov, 2017 (SA)
  14. 14The metal ion with total number of electrons same as is05 Nov, 2017 (SA)
  15. 15For a orbital, the number of radial and angular nodes, respectively, are05 Nov, 2017 (SB/SX)
  16. 16Chlorine has two naturally occurring isotopes, and . If the atomic mass of is the ratio of natural abundance of and is closest to05 Nov, 2017 (SB/SX)
  17. 17The electronic configuration which obeys Hund's rule for the ground state of carbon atom is2016 (SA)
  18. 18The graph that depicts Einstein photoelectric effect for a monochromatic source of frequency above the threshold frequency is2016 (SA)
  19. 19Maximum number of electrons that can be accommodated in the subshell with azimuthal quantum number , is2015 (SA)
  20. 20The element which readily forms an ionic bond has the electronic configuration.2015 (SA)
  21. 21If the radius of the hydrogen atom is , the radius of the ion is closest to2014 (SA)
  22. 22The number of valence electrons in an atom with electronic configuration is2013 (SA)
  23. 23The pair of atoms having the same number of neutrons is2013 (SA)
  24. 24The number of electrons plus neutrons in is -2012 (SA)
  25. 25For a one-electron atom, the set of allowed quantum numbers is -2012 (SB/SX)
  26. 26The set of principal (n), azimuthal and magnetic quantum numbers that is not allowed for the electron in -atom is2011 (SA)
  27. 27The electron in hydrogen atom is in the first Bohr orbit ). The ratio of transition energies, ) to ), is-2011 (SB/SX)
  28. 28The energy of a photon of wavelength meter is (Planck's constant , speed of light =2010 (SB/SX)
  29. 29In the nuclear reaction is-2010 (SB/SX)

Frequently Asked Questions

1.How many questions are available for Structure of Atom?

This chapter includes 29 questions compiled from KVPY papers spanning 2010 to 2020.

2.Are these questions only from KVPY, or from other exams too?

These are KVPY questions specifically for the Structure of Atom chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.

3.Is Structure of Atom an important chapter for KVPY Chemistry?

Structure of Atom has appeared in 11 of the 11 years of KVPY papers covered here, with 29 questions across 18 papers - about 2 per paper it appears in.