New ! Chemistry MCQ Practise Tests



11th Standard English Medium Chemistry Subject Quantum Mechanical Model of Atom Book Back 2 Mark Questions with Solution Part - I

11th Standard

    Reg.No. :
  •  
  •  
  •  
  •  
  •  
  •  

Chemistry

Time : 00:30:00 Hrs
Total Marks : 10

    Part I

    5 x 2 = 10
  1. Define orbital ? what are the n and 1 values for 3px and 4dx2-y2 electron ?

  2. How many orbitals are possible for n = 4?

  3. Which quantum number reveal information about the shape, energy, orientation and size of orbitals?

  4. For each of the following, give the sub level designation, the allowable m values and the number of orbitals
    (i) n = 4, l = 2
    (ii) n = 5, l = 3
    (iii) n = 7, l = 0

  5. Consider the following electronic arrangements for the d5 configuration.
    (a)

    \(\upharpoonleft \downharpoonright \) \(\upharpoonleft \downharpoonright \) \(​​\upharpoonleft \)    

    (b)

    \(​​\upharpoonleft \) \(​​\upharpoonleft \) \(​​\upharpoonleft \) \(\upharpoonleft \downharpoonright \)  

    (c)

    \(​​\upharpoonleft \) \(​​\upharpoonleft \) \(​​\upharpoonleft \) \(​​\upharpoonleft \) \(​​\upharpoonleft \)

    which of these represents the ground state

*****************************************

Reviews & Comments about 11th Standard English Medium Chemistry Subject Quantum Mechanical Model of Atom Book Back 2 Mark Questions with Solution Part - I

Write your Comment