Solved papers for JEE Main & Advanced JEE Main Paper (Held On 9 April 2014)

done JEE Main Paper (Held On 9 April 2014) Total Questions - 2

• question_answer1) The half-life period of a first order reaction is 15 minutes. The amount of substance left after one hour will be:   [JEE Main Online Paper ( Held On 09 Apirl  2014  )
  A)
  \[\frac{1}{4}\]of the original amount
  done clear
  B)
  \[\frac{1}{8}\]of the original amount
  done clear
  C)
  \[\frac{1}{16}\]of the original amount
  done clear
  D)
  \[\frac{1}{32}\]of the original amount
  done clear
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• question_answer2) A current of 10.0 A flows for 2.00 h through an electrolytic cell containing a molten salt of metal X. This results in the decomposition of 0.250 mol of metal X at the cathode. The oxidation state of X in the molten salt is: (F = 96,500 C)   [JEE Main Online Paper ( Held On 09 Apirl  2014  )
  A)
  1+                                          
  done clear
  B)
  2 +
  done clear
  C)
  3+                                          
  done clear
  D)
  4 +
  done clear
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