JEE Main & Advanced JEE Main Paper (Held on 09-4-2019 Morning)

  • question_answer Match the catalysts (Column I) with products (Column II).
    Column I Column II
    [A]\[{{V}_{2}}{{O}_{5}}\] (i) Polyethylene
    [B]\[TiC{{l}_{4}}/Al{{(Me)}_{3}}\] (ii) ethanol
    [C]\[PdC{{l}_{2}}\] (iii)\[{{H}_{2}}S{{O}_{4}}\]
    [D] Iron Oxide (iv)\[N{{H}_{3}}\]
                [JEE Main 9-4-2019 Morning]

    A) \[(A)\text{-}\left( \text{ii} \right)\text{; }\left( \text{B} \right)\text{-}\left( \text{iii} \right)\text{; }\left( \text{C} \right)\text{-}\left( \text{i} \right)\text{; }\left( \text{D} \right)\text{-}\left( \text{iv} \right)\]

    B) \[\left( \text{A} \right)\text{-}\left( \text{iii} \right)\text{; }\left( \text{B} \right)\text{-}\left( \text{i} \right)\text{; }\left( \text{C} \right)\text{-}\left( \text{ii} \right)\text{; }\left( \text{D} \right)\text{-}\left( \text{iv} \right)\]

    C) \[\left( \text{A} \right)\text{-}\left( \text{iii} \right)\text{; }\left( \text{B} \right)\text{-}\left( \text{iv} \right)\text{; }\left( \text{C} \right)\text{-}\left( \text{i} \right)\text{; }\left( \text{D} \right)\text{-}\left( \text{ii} \right)\]

    D) \[\left( \text{A} \right)\text{-}\left( \text{iv} \right)\text{; }\left( \text{B} \right)\text{-}\left( \text{iii} \right)\text{; }\left( \text{C} \right)\text{-}\left( \text{ii} \right)\text{; }\left( \text{D} \right)\text{-}\left( \text{i} \right)\]

    Correct Answer: B

    Solution :

    \[{{V}_{2}}{{O}_{5}}\]is catalyst \[\to \]contact process for \[{{H}_{2}}S{{O}_{4}}\]\[TiC{{l}_{4}}/Al{{(Me)}_{3}}\to \] Ziegler Natta salt used as catalyst for polymerisation of ethene. \[PdC{{l}_{2}}\to \]used as catalyst for ethanal (Wacker process). Iron oxide \[\to \]is used as catalyst in Haber's synthesis.


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