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 · 27 Jul · Shift 2 · Q5
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 · 27 Jul · Shift 2 · Q5

Structure of Atom question

2022 · 27 Jul · Shift 2 · Q5

JEE MainChemistryStructure of AtomMCQ+4 / −1
Outermost electronic configurations of four elements A, B, C, D are given below : (A) 3s23 s^{2}3s2(B) 3s23p13 s^{2} 3 p^{1}3s23p1(C) 3s23p33 s^{2} 3 p^{3}3s23p3(D) 3s23p43 s^{2} 3 p^{4}3s23p4 The correct order of first ionization enthalpy for them is :
  1. A
    (A) < (B) < (C) < (D)
  2. B
    (B) < (A) < (D) < (C)
  3. C
    (B) < (D) < (A) < (C)
  4. D
    (B) < (A) < (C) < (D)
PreviousNext

More from Structure of Atom

  • If the uncertainty in velocity and position of a minute particle in space are, 2.4 × 10 − 26 (m s − 1) and 10 − 7 (m) respectively. The mass of the particle in g is ​. (Nearest integer) (Given : h =…2022 · Numerical
  • Consider the following set of quantum numbers. The number of correct sets of quantum numbers is ​. Includes table2022 · Numerical
  • Identify the incorrect statement from the following.2022 · MCQ
  • 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