The compound formed by dissolving elemental gold in aqua regia is: · ABC26IN0682

Subject: Inorganic Chemistry · Chapter: d-Block Elements · Topic: D Block – General · Exam: JAM 2005-2022 · Marks: 2 · Difficulty: Easy

The compound formed by dissolving elemental gold in aqua regia is:

(a)AuCl

(b)$\mathrm{AuNO}_{3}$

(c)$\mathrm{H}\left[\mathrm{AuCl}_{4}\right]$

(d)$\mathrm{H}\left[\mathrm{Au}\left(\mathrm{NO}_{3}\right)_{4}\right]$

Answer

Answer: C ✓ checked by 4AB · confidence high

Explanation

Au + HNO₃ + 4HCl → H[AuCl₄] + NO + 2H₂O (c).

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