Solved papers for JEE Main & Advanced JEE Main Online Paper (Held on 9 April 2013)

done JEE Main Online Paper (Held on 9 April 2013)

  • question_answer1)
                    Rate of dehydration of alcohols follows the order:        JEE Main Online Paper (Held On 09 April 2013)         

    A)
                    \[{{2}^{0}}>{{1}^{0}}>{{\operatorname{CH}}_{3}}\operatorname{OH}>{{3}^{0}}\]                

    B)
                    \[{{3}^{0}}>{{2}^{0}}>{{1}^{0}}{{\operatorname{CH}}_{3}}\operatorname{OH}\]                

    C)
                    \[{{2}^{0}}>{{3}^{0}}>{{1}^{0}}{{\operatorname{CH}}_{3}}\operatorname{OH}\]                

    D)
                    \[{{\operatorname{CH}}_{3}}\operatorname{OH}>{{1}^{0}}>{{2}^{0}}>{{3}^{0}}\]                

    View Answer play_arrow
  • question_answer2)
                    Which of the following enzyme converts starch into maltose?                   JEE Main Online Paper (Held On 09 April 2013)

    A)
                    Diastase                 

    B)
                    Maltase                

    C)
                    Zymase                

    D)
                    Invertase                

    View Answer play_arrow
  • question_answer3)
                    Anether (A) \[{{\operatorname{C}}_{5}}{{\operatorname{H}}_{12}}\operatorname{O},\]when heated with excess of hot concentrated HI produced two alky halides which when treated with NaOH yielded compounds (B) and (C) Oxidation of (B) and (C) gave a propanone and an ethanoic acid respectively. The IUPAC name of the ether (A) is:           JEE Main Online Paper (Held On 09 April 2013)        

    A)
                    2-ethoxypropane                

    B)
                    ethoxypropane                

    C)
                    methoxybutane                

    D)
                           2-methoxybutane                

    View Answer play_arrow

Study Package

JEE Main Online Paper (Held on 9 April 2013)
 

   


You need to login to perform this action.
You will be redirected in 3 sec spinner