JEE Main Chemistry question

Not in JEE Main or NEET syllabus

To avoid lead pollution, a newer anti-knock compound is used in place of tetraethyl lead. It is

(A)Cyclopentadienyl manganese tricarbonyl
(B)Methylcyclopentadienyl manganese tricarbonyl
(C)Known commercially as "AK-33-X"
(D)All of the above describe this (or closely related) lead-free anti-knock additive(s)Correct

Answer: (D)

Solution

Methylcyclopentadienyl manganese tricarbonyl (MMT), commercially marketed under names such as "AK-33-X," and the closely related unsubstituted

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Question ID VK-142577