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Shorting of cell in production of tetra ethyl lead (TEL) is prevented by adding __________(a) Excess Grignard reagent(b) Excess C2H5Cl(c) Excess Mg(d) Excess MgCl2This question was posed to me by my school principal while I was bunking the class.Query is from Inorganic Chemical in section Inorganic Chemical Industries of Chemical Technology

Answer»

Correct option is (b) EXCESS C2H5Cl

To explain I would say: Eliminated magnesium metal is deposited at CATHODE BRIDGING the gap between electrodes which leads to shorting of cell. Hence excess C2H5Cl is added as REACTS with magnesium forming Grignard reagent.



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