Nickel forms three complexes with hydroxide,NiOH+ (aq) ,Ni(OH) 2 (aq) and Ni(OH (aq) .Which statement(s) regarding the impact of complex formation on the solubility of nickel hydroxide are FALSE?
I Hydroxide behaves as a Lewis acid when forming a complex with nickel.
II The total nickel concentration is [Ni2+]tot = [Ni2+] + [NiOH+] + [Ni(OH) 2] + [Ni(OH].
III As [OH-] increases,the solubility of Ni(OH) 2 initially decreases but then increases.
IV ![Nickel forms three complexes with hydroxide,NiOH<sup>+</sup> (aq) ,Ni(OH) <sub>2</sub> (aq) and Ni(OH (aq) .Which statement(s) regarding the impact of complex formation on the solubility of nickel hydroxide are FALSE? I Hydroxide behaves as a Lewis acid when forming a complex with nickel. II The total nickel concentration is [Ni<sup>2+</sup>]<sub>tot</sub> = [Ni<sup>2+</sup>] + [NiOH<sup>+</sup>] + [Ni(OH) <sub>2</sub>] + [Ni(OH]. III As [OH<sup>-</sup>] increases,the solubility of Ni(OH) <sub>2</sub> initially decreases but then increases. IV A) Only I B) II and III C) Only III D) Only IV E) I,II,III,and IV](https://d2lvgg3v3hfg70.cloudfront.net/TB4000/11ea6952_25a3_fc33_a4b1_d3ab1238e74f_TB4000_11.jpg)
A) Only I
B) II and III
C) Only III
D) Only IV
E) I,II,III,and IV
Correct Answer:
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