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When Pb(OH)2(s) and Bi(OH)3(s) co-precipitate, the mixture can be separated by subjecting the solids to a...

When Pb(OH)2(s) and Bi(OH)3(s) co-precipitate, the mixture can be separated by subjecting the solids to a source of OH ions. Which statement best describes the reason this strategy enables a separation between the two solids?

A.

Bi3+ is a strong acid

B.

Pb2+ is a strong base

C.

only Pb(OH)2 forms a hydroxo complex

D.

only Bi(OH)3 forms an ammine complex

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Answer #1

C option is correct because as we go left to right basic character decrease and and top to bottom bismuth hydroxide is not stable

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