Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

Structure of Atom question

2022 · 28 Jul · Shift 1 · Q1
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Chemistry
  4. /Structure of Atom
  5. /2022 · 28 Jul · Shift 1 · Q1

Structure of Atom question

2022 · 28 Jul · Shift 1 · Q1

JEE MainChemistryStructure of AtomMCQ+4 / −1
Identify the incorrect statement from the following.
  1. A
    A circular path around the nucleus in which an electron moves is proposed as Bohr's orbit.
  2. B
    An orbital is the one electron wave function (ψ)(\psi)(ψ) in an atom.
  3. C
    The existence of Bohr's orbits is supported by hydrogen spectrum.
  4. D
    Atomic orbital is characterised by the quantum numbers n\mathrm{n}n and lll only.
PreviousNext

More from Structure of Atom

  • Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R Assertion A: Zero orbital overlap is an out of phase overlap. Reason R : It results due to…2022 · MCQ
  • If the wavelength for an electron emitted from H-atom is 3.3×10−10 m, then energy absorbed by the electron in its ground state compared to minimum energy required for its escape from the atom, is ​…2022 · Numerical
  • If the work function of a metal is 6.63 × 10 − 19J, the maximum wavelength of the photon required to remove a photoelectron from the metal is ​ nm. (Nearest integer) [Given : h = 6.63 × 10 − 34 J…2022 · Numerical
  • Consider the following statements : (A) The principal quantum number 'n' is a positive integer with values of 'n' = 1, 2, 3, ... (B) The azimuthal quantum number 'l' for a given 'n' (principal quantum number) can have values as 'l' = 0, 1,…2022 · MCQ
  • The minimum uncertainty in the speed of an electron in an one dimensional region of length 2ao​(Where ao​= Bohr radius 52.9pm) is ​kms−1…2022 · Numerical
  • Given below are the quantum numbers for 4 electrons. A. n=3,l=2, m1​=1, ms​=+1/2 B. n=4,l=1, m1​=0, ms​=+1/2 C. n=4,l=2, m1​=−2, ms​=−1/2…2022 · MCQ
  • Which of the following statements are correct? (A) The electronic configuration of Cr is [Ar] 3d5 4s1. (B) The magnetic quantum number may have a negative value. (C) In the ground state of an atom, the orbitals are filled in order of their…2022 · MCQ
  • Which of the following is the correct plot for the probability density ψ2 (r) as a function of distance 'r' of the electron from the nucleus for 2s orbital?2022 · MCQ