Solved papers for JEE Main & Advanced AIEEE Solved Paper-2011

done AIEEE Solved Paper-2011 Total Questions - 2

• question_answer1) Ethylene glycol is used as an antifreeze in a cold climate. Mass of ethylene glycol which should be added to 4 kg of water to prevent it from freezing at \[-{{6}^{o}}C\] will be: (\[{{K}_{f}}\] for water \[=1.86\] K \[kgmo{{l}^{-1}}\] and molar mass of ethylene glycol \[=62kgmo{{l}^{-1}}\])   AIEEE  Solved  Paper-2011
  A)
  304.60 g                  
  done clear
  B)
  804.32 g
  done clear
  C)
  204.30 g                  
  done clear
  D)
  400.00 g
  done clear
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• question_answer2) The degree of dissociation \[(\alpha )\] of a weak electrolyte, \[{{A}_{x}}{{B}_{y}}\] is related to van't Hoff factor (i) by the expression:   AIEEE  Solved  Paper-2011
  A)
  \[\alpha =\frac{x+y+1}{i-1}\]         
  done clear
  B)
  \[\alpha =\frac{i-1}{\left( x+y-1 \right)}\]
  done clear
  C)
  \[\alpha =\frac{i-1}{x+y+1}\]                         
  done clear
  D)
  \[\alpha =\frac{x+y-1}{i-1}\]
  done clear
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