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JEE Main & Advanced Chemistry Environmental Chemistry / पर्यावरणीय रसायन Question Bank Mock Test - Environmental Chemistry

  • question_answer
    Leaded petrol used to be the primary source of air-borne lead emission. This problem has been overcome by

    A) using TEL loaded petrol

    B) using ethanol-mixed petrol

    C) using unleaded petrol

    D) Using MTBE loaded petrol

    Correct Answer: C

    Solution :

    [c]
    (1) TEL (Tetraethyl lead) prevents knocking but not lead.
    (2) Ethanol-mixed petrol is CO free but not lead-free.
    (3) In India, lead free petrol is being used in automobiles. Thus, emission of lead is prevented.
    (4) MTBE (Methyl Tertiary Butyl Ether) prevents knocking but not lead.


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