2. Questions Bank
  3. JEE Main & Advanced
  4. Chemistry
  5. Structure of Atom / परमाणु संरचना

JEE Main & Advanced Chemistry Structure of Atom / परमाणु संरचना Question Bank Quantum number, Electronic configuration and Shape of orbitals

  • question_answer
    Following Hund?s rule which element contains six unpaired electron                                       [RPET 2000]

    A)                 Fe          

    B)                 Co

    C)                 Ni           

    D)                 Cr

    Correct Answer: D

    Solution :

               Electronic configuration of the \[C{{r}_{24}}\] is \[[Ar]\,4{{s}^{1}}3{{d}^{5}}\] or


You need to login to perform this action.
You will be redirected in 3 sec spinner