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 - 1

• question_answer1) In the following sets of reactants which two sets best exhibit the amphoteric characters of \[A{{l}_{2}}{{O}_{3}}.x{{H}_{2}}O\]?

  Set \[1:A{{l}_{2}}{{O}_{3}}.x{{H}_{2}}O(s)\]and \[O{{H}^{-}}(aq)\]

  Set \[2:A{{l}_{2}}{{O}_{3}}.x{{H}_{2}}O(s)\]and \[{{H}_{2}}O(l)\]

  Set \[3:A{{l}_{2}}{{O}_{3}}.x{{H}_{2}}O(s)\]and \[{{H}^{+}}(aq)\]

  Set \[4:A{{l}_{2}}{{O}_{3}}.x{{H}_{2}}O(s)\]and \[N{{H}_{3}}(aq)\]

      [JEE Main Online Paper ( Held On 09 Apirl  2014  )
  A)
  \[1 and 2\]
  done clear
  B)
  \[1 and 3\]
  done clear
  C)
  \[2 and 4\]
  done clear
  D)
  \[3 and 4\]
  done clear
  View Answer play_arrow