After dissolving a brown residue in 6M HCl, followed by addition of 0.1M KSCN. A solution with deep red color was obtained. Which is a possible candidate for the brown residue? A. CdS B. Fe2O3 C. Ce(OH)3 D. PbCrO4

After dissolving a brown residue in 6M HCl, followed by addition of 0.1M KSCN. A solution with deep red color was obtained. Which is a possible candidate for the brown residue? A. CdS B. Fe2O3 C. Ce(OH)3 D. PbCrO4

Principles of Instrumental Analysis

7th Edition

ISBN:9781305577213

Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Chapter14: Applications Of Ultraviolet-visible Molecular Absorption Spectrometry

Section: Chapter Questions

Problem 14.3QAP: Sketch a photometric titration curve for the titration of Sn2+ with MnO4 . What color radiation...

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Question

After dissolving a brown residue in 6M HCl, followed by addition of 0.1M KSCN. A solution with deep red color was obtained. Which is a possible candidate for the brown residue?

	A.	CdS
	B.	Fe2O3
	C.	Ce(OH)3
	D.	PbCrO4

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