Question 24 of 24 Incorrect Incorrect Map General Chemistry 4th Edition Rock Gal

Question

Question 24 of 24 Incorrect Incorrect Map General Chemistry 4th Edition Rock Gallogly University Science Books presented by Sapling Learning Write the balanced chemical equation for each of these reactions. Include phases. When aqueous sodium hydroxide is added to a solution containing lead(lI) nitrate, a solid precipitate forms Pb(OH),s)+2NaOH,(aq) However, when additional aqueous hydroxide is added the precipitate redissolves forming a soluble [Pb(OH)4(aq) complex ion. Pb(OH),(s)+20H (aq)Pb(OH2-(a)

Explanation / Answer

lead nitrate is react with sodium hydroxide to give lead hydroxide precipitate

Pb(NO3)2 (aq) + 2NaOH(aq) ---------------> Pb(OH)2 (s) + 2NaNO3(aq)

lead hydroxide precipitate soluble in excess of OH^- due to formation [ Pb(OH)4]^2- complex ion

Pb(OH)2 (s) + 2OH^- -----------------> [ Pb(OH)4]^2- (aq)

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