Which of the following correlations in the qualitative analysis experiment is incorrect? a. CO32- : evolution of H2 gas b. SCN- : formation of FeSCN2+ complex c. Zn2+ : precipitate is soluble in NaOH and NH3 d. NH4+ : red litmus paper turned blue

Fundamentals Of Analytical Chemistry
9th Edition
ISBN:9781285640686
Author:Skoog
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Chapter21: Potentiometry
Section: Chapter Questions
Problem 21.13QAP
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Which of the following correlations in the qualitative analysis experiment is incorrect?

a. CO32- : evolution of H2 gas

b. SCN- : formation of FeSCN2+ complex

c. Zn2+ : precipitate is soluble in NaOH and NH3

d. NH4: red litmus paper turned blue

 

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