Pb and Sn are extracted from their chief ores | vedclass

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Question

(B) The extraction of $Pb$ (Lead) from its ore $PbS$ (Galena) involves self-reduction.$2PbO + PbS \xrightarrow{\Delta} 3Pb + SO_2 \uparrow$$PbSO_4 + P

Vedclass · Accepted Answer

Self-reduction and carbon reduction.

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(B) The extraction of $Pb$ (Lead) from its ore $PbS$ (Galena) involves self-reduction.$2PbO + PbS \xrightarrow{\Delta} 3Pb + SO_2 \uparrow$$PbSO_4 + PbS \xrightarrow{\Delta} 2Pb + 2SO_2 \uparrow$The extraction of $Sn$ (Tin) from its ore $SnO_2$ (Cassiterite) involves carbon reduction.$SnO_2 + 2C \xrightarrow{\Delta} Sn + 2CO$Therefore,$Pb$ is extracted by self-reduction and $Sn$ is extracted by carbon reduction.

$Pb$ and $Sn$ are extracted from their chief ores by:

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