Solved papers for JEE Main & Advanced AIEEE Solved Paper-2010

done AIEEE Solved Paper-2010 Total Questions - 2

• question_answer1)   Three reactions involving \[{{H}_{2}}Po_{4}^{-}\] are given below:       AIEEE  Solved  Paper-2010
  A)
  (1)\[{{H}_{3}}P{{o}_{4}}+{{H}_{2}}O\to {{H}_{3}}{{O}^{+}}\to {{H}_{3}}{{O}^{+}}{{H}_{2}}Po_{4}^{-}\] (2) \[{{H}_{2}}Po_{4}^{-}+{{H}_{2}}O\to HPO_{4}^{2-}+{{H}_{3}}{{O}^{+}}\] (3) \[{{H}_{2}}Po_{4}^{-}+O{{H}^{-}}\to {{H}_{3}}P{{O}_{4}}+{{O}^{2-}}\] In which of the above does \[{{H}_{2}}PO_{4}^{-}\]act as an acid? (i) Only                
  done clear
  B)
  (ii) Only
  done clear
  C)
         (iii) and (ii)          
  done clear
  D)
         (iii) only
  done clear
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• question_answer2) The correct order of increasing basicity of the given conjugate bases\[(R=C{{H}_{3}})\]is       AIEEE  Solved  Paper-2010
  A)
  \[RCO\overline{O}<HC\equiv \overline{C}<\overline{N}{{H}_{2}}<\overline{R}\]
  done clear
  B)
  \[RCO\overline{O}<HC\equiv \overline{C}<\overline{R}<\overline{N}{{H}_{2}}\]
  done clear
  C)
  \[\overline{R}<HC\equiv \overline{C}<RCO\overline{O}<\overline{N}{{H}_{2}}\]
  done clear
  D)
  \[RCO\overline{O}<\overline{N}{{H}_{2}}<HC\equiv \overline{C}<\overline{R}\]
  done clear
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