Practice Questions: Structure of Atom Notes | EduRev

Chemistry for JEE

Class 11 : Practice Questions: Structure of Atom Notes | EduRev

The document Practice Questions: Structure of Atom Notes | EduRev is a part of the Class 11 Course Chemistry for JEE.
All you need of Class 11 at this link: Class 11

Question 1:Isotopes contain 

Question 2:The number of angular nodes in an orbital of hydrogen-like species is 

Question 3:Which of the following orbitals is not permitted in an atom? 

Question 4:In the absence of electric and magnetic fields which of the following orbitals of multi-electron atom will have the
same energy?
(i) n = 2, l = 1, m = 0 
(ii) n = 3, l = 1, m = 1 
(iii) n = 4, l = 0, m = 0 
(iv) n = 3, l = 1, m = 0 

Question 5:The other orbitals filled in 47Ag is 

Question 6:Which of the following spectral series of hydrogen atom lies in the ultraviolet region of electromagnetic radiation? 

Question 7:The splitting of spectral lines of hydrogen atom in the presence of magnetic field is known as

Question 8:The shape of an orbital is governed by the 

Question 9:How many unpaired electrons are present in Ni2+ (Z = 28)? 

Question 10:The energy of an orbital in a multielectron atom depends on the 

Question 11:A dx2 – y2 orbital has

Question 12:Which of the following statements on the atomic wave function ψ is not correct?

Question 13:The binding energy of electrons in a metal is 193 kJ mol–1. The threshold frequency of the metal is 

Question 14:The outer electronic configuration of cerium (Z = 58) is

Question 15:If the radius of Bohr’s first orbit of H atom is r, then the radius of Bohr’s first orbit of Li2+ ion will be

Question 16:Which of the following electronic transitions in the line spectrum of He+ will have the same wavelength as that  

Question 17:The ionization energy of one mole of hydrogen atoms is about 

Question 18:Which of the following statements is not true? 

Question 19:The ionization energy of a hydrogen atom in the ground state is 2.17 x 10–11 erg. The ionization energy of Li2+ in the ground state will be  

Question 20:Naturally occurring copper is assigned atomic mass equal to 63.546 u. If it consists of two isotopes 63Cu (atomic mass = 62.930 u) and 65Cu (atomic mass = 64.928 u), then mass percentage of isotope 65Cu in the naturally occurring copper is  

Question 21:In Bohr theory of He+, the energy difference between two successive energy levels 

Question 22:If θ is the angle made by orbital angular momentum with the z-axis, then the quantum number l and m of an atom are related to each other through the expression 

Question 23:The angular dependence of an orbital is decided by the 

Question 24:Which of the following symbols correctly represents an orbitals in an atom?

Question 25:Hydrogen atom in its ground state is excited by a radiation of wavelength 97.26 nm. The longest wavelength it emits is  

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