In ammonical buffer, oxine (8-hydroxyquinoline) forms yellow precipitate with · ABC26IN0544
Subject: Inorganic Chemistry · Chapter: Analytical Chemistry · Topic: Analytical Chemistry & Instrumental – General · Exam: JAM 2005-2022 · Marks: 2 · Difficulty: Easy
In ammonical buffer, oxine (8-hydroxyquinoline) forms yellow precipitate with
(a)Mg(II)
(b)Ca(II)
(c)Ba(II)
(d)Sr(II)
Answer
Answer: A ✓ checked by 4AB · confidence high
Explanation
In ammoniacal buffer oxine precipitates Mg(II) as yellow Mg(oxinate)₂; Ca, Sr, Ba are not precipitated (a).
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