Solved papers for JEE Main & Advanced JEE Main Paper (Held On 26 May 2012)

done JEE Main Paper (Held On 26 May 2012) Total Questions - 2

• question_answer1) The following sets of quantum numbers represent four electrons in an atom.   JEE Main Online Paper (Held On 26-May-2012)  

  (i) \[n=4,l=1\]

  (ii) \[n=4,l=0\]

  (iii)\[n=3,l=2\]

  (iv) \[n=3,l=1\]

  The sequence representing increasing order of energy, is
  A)
  (iii)<(i)<(iv)<(ii)                
  done clear
  B)
  (iv)<(ii)<(iii)<(i)
  done clear
  C)
  (i)<(iii)<(ii)<(iv)                
  done clear
  D)
  (ii)<(iv)<(i)<(iii)
  done clear
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• question_answer2) The number of unpaired electrons in Gadolinium\[[Z=64]\]is.   JEE Main Online Paper (Held On 26-May-2012)  
  A)
   3                                            
  done clear
  B)
                         8
  done clear
  C)
                          6                                            
  done clear
  D)
                         2
  done clear
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