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JEE Main & Advanced Chemistry Hydrocarbons / हाइड्रोकार्बन Question Bank Alkane

  • question_answer
    Which is the best antiknock compound or Which one of the following substances is used as an antiknock compound [CPMT 1974, 81, 99, 2000;RPMT 2002; CBSE PMT 1996; KCET (Med.) 2000 MP PET 1985, 87, 97, 2001; MP PMT 1994, 96; AIIMS 2000]

    A) Lead tetrachloride

    B) Lead acetate

    C) Zinc ethyl

    D) Tetraethyl lead (TEL)

    Correct Answer: D

    Solution :

      Tetraethyl lead (TEL) is an anti-knocking compounds when mixed with petrol tend to improve the octane no. and therefore, decreases the knocking in the cylinder of the combustion engine.


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