What is the effect of Pb (lead) on catalysts? | vedclass

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Question

(A) $Pb$ (lead) acts as a catalytic poison. In many industrial processes,such as the catalytic converters used in automobiles,the presence of lead $(P

Vedclass · Accepted Answer

$Pb$ deactivates catalysts.

Vedclass · Answer

(A) $Pb$ (lead) acts as a catalytic poison. In many industrial processes,such as the catalytic converters used in automobiles,the presence of lead $(Pb)$ binds to the active sites of the catalyst (like platinum or palladium). This prevents the reactants from binding to the catalyst,thereby deactivating it and rendering it ineffective. Therefore,$Pb$ deactivates catalysts.

What is the effect of $Pb$ (lead) on catalysts?

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