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JEE CHEMISTRY MCQ: 14 TH GROUP ELEMENTS (P-BLOCK)
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Commercially important ore of lead is:
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Correct option: D
Galena
Option D (Galena) is correct because Galena (PbS) is the most commercially important ore of lead.
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Reason: Size of fluorine is small and its lone pair of electrons interacts with -orbitals of strongly. The correct statement with respect to carbon monoxide is: In general, silicones: