Solved papers for JEE Main & Advanced JEE Main Paper (Held On 11 April 2014)

done JEE Main Paper (Held On 11 April 2014) Total Questions - 2

• question_answer1) The appearance of colour in solid alkali meta halides is generally due to:   [JEE Main Online Paper ( Held On 11 Apirl  2014 )
  A)
  Schottky defect               
  done clear
  B)
  Frenkel defect
  done clear
  C)
  Interstitial position         
  done clear
  D)
  F-centres
  done clear
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• question_answer2) Which of the following statements about \[N{{a}_{2}}{{O}_{2}}\] is not correct?   [JEE Main Online Paper ( Held On 11 Apirl  2014 )
  A)
  It is diamagnetic in nature
  done clear
  B)
  It is derivative of \[{{H}_{2}}{{O}_{2}}\]
  done clear
  C)
  \[N{{a}_{2}}{{O}_{2}}\]oxidises \[C{{r}^{3+}}\] to \[CrO_{4}^{2-}\]in acid medium.
  done clear
  D)
  It is the super oxide of sodium
  done clear
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