1.

Tetraehtyl lead (TEL)in petrol wasusedas antinockingagent,whichcreateslead pollution in order to avoidlead pollutionthesubstitueof TEL is used in unleaded -petrolthe . Subsitiute is denoted as :

Answer»

AK-33-X
BK-33-K
CK-33-X
DK-33-X

Solution :AK-33-x , ischemicalname iscyclopentadienyl MANGANESE tricarbonyl.


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