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Question
Fe(OH)2 is insoluble in ______.
Options
NaOH
NH4OΗ
H2O
Both NaOH and NH4OΗ
MCQ
Fill in the Blanks
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Solution
Fe(OH)2 is insoluble in both NaOH and NH4OΗ.
Explanation:
The dirty-green ferrous hydroxide [Fe(OH2)] precipitate remains completely insoluble in excess of both sodium hydroxide (NaOH) and ammonium hydroxide (NH4OH).
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