Solved papers for JEE Main & Advanced AIEEE Solved Paper-2002

done AIEEE Solved Paper-2002

  • question_answer1) Which of the following is a redox reaction?   AIEEE  Solved  Paper-2002

    A) \[NaCl+KN{{O}_{3}}\xrightarrow{{}}NaN{{O}_{3}}+KCl\]

    B) \[Ca{{C}_{2}}{{O}_{4}}+2HCl\xrightarrow{{}}CaC{{l}_{2}}+{{H}_{2}}{{C}_{2}}{{O}_{4}}\]

    C) \[Ca{{(OH)}_{2}}+2N{{H}_{4}}Cl\xrightarrow{{}}CaC{{l}_{2}}+2N{{H}_{3}}\]\[+2{{H}_{2}}O\]

    D) \[2K[Ag{{(CN)}_{2}}]+Zn\xrightarrow{{}}2Ag+{{K}_{2}}[Zn{{(CN)}_{4}}]\]

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  • question_answer2) Which of the following reaction is possible at anode?   AIEEE  Solved  Paper-2002

    A) \[{{F}_{2}}+2{{e}^{-}}\xrightarrow{{}}2{{F}^{-}}\]

    B) \[2{{H}^{+}}+\frac{1}{2}{{O}_{2}}+2{{e}^{-}}\xrightarrow{{}}{{H}_{2}}O\]

    C) \[2C{{r}^{3+}}+7{{H}_{2}}O\xrightarrow{{}}C{{r}_{2}}O_{7}^{2-}+14{{H}^{+}}+6{{e}^{-}}\]

    D) \[F{{e}^{2+}}\xrightarrow{{}}F{{e}^{3+}}+{{e}^{-}}\]

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  • question_answer3) \[MnO_{4}^{-}\] is a good oxidising agent in different medium changing to                    \[MnO_{4}^{-}\]              \[\xrightarrow{{}}M{{n}^{2+}}\]                                    \[\xrightarrow{{}}MnO_{4}^{2+}\]                                    \[\xrightarrow{{}}Mn{{O}_{2}}\]                                    \[\xrightarrow{{}}M{{n}_{2}}{{O}_{3}}\] Changes    in    oxidation    number respectively are   AIEEE  Solved  Paper-2002

    A) 1, 3, 4, 5      

    B)                           5, 4, 3, 2  

    C)           5, 1, 3, 4                  

    D)           2, 6, 4, 3

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  • question_answer4) Oxidation number of \[Cl\] in \[CaOC{{l}_{2}}\] (bleaching powder) is   AIEEE  Solved  Paper-2002

    A) zero, since it contains \[C{{l}_{2}}\]

    B) -1, since it contains \[C{{l}^{-}}\]

    C) +1, since it contains \[Cl{{O}^{-}}\]

    D) +1 and -1 since it contains \[Cl{{O}^{-}}\] and \[C{{l}^{-}}\]

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AIEEE Solved Paper-2002
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