Solved papers for JEE Main & Advanced AIEEE Solved Paper-2008

done AIEEE Solved Paper-2008 Total Questions - 2

• question_answer1) Amount of oxalic acid present in a solution can be determined by its titration with \[KMn{{O}_{4}}\] solution in the presence of \[{{H}_{2}}S{{O}_{4}}\]. The titration gives unsatisfactory result when carried out in the presence of HCl, because HCl       AIEEE  Solved  Paper-2007
  A)
  reduces permanganate to \[M{{n}^{2+}}\].
  done clear
  B)
  oxidises oxalic acid to carbon dioxide and water.
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  C)
  gets oxidised by oxalic acid to chlorine.
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  D)
  furnishes \[{{H}^{+}}\] ions in addition to those from oxalic acid.
  done clear
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• question_answer2) Identify the wrong statement in the following:       AIEEE  Solved  Paper-2007
  A)
  Ozone layer does not permit infrared radiation from the sun to reach the earth.
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  B)
  Acid rain is mostly because of oxides of nitrogen and sulphur.
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  C)
  Chlorofluorocarbons are responsible for ozone layer depletion.
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  D)
  Greenhouse effect is responsible for global warming.
  done clear
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