Question

What is chromyl chloride test

Answer 1

Chromyl chloride is a chemical compound with the formula CrO2Cl2. This compound is a hygroscopic dark red liquid. The molecule is tetrahedral, like most commonly encountered chromium(VI) derivative chromate, [CrO4]2−. In terms of physical properties and structure, it resembles SO2Cl2.

Chromyl chloride





NamesPreferred IUPAC name

Chromium(VI) dichloride dioxide

Systematic IUPAC name

Dichlorodioxochromium

Other names

Chromic acid chloride

Chromium oxychloride

Etard Reagent
Chlorochromic anhydride
Chromic oxychloride
Chromium chloride oxide
Chromium dioxide dichloride
Chromium dioxychloride
Chromium oxychloride

Answer 2

Answer:

he chromyl chloride test is used to detect chloride ions in the qualitative analysis. If any chloride salt like sodium chloride is heated with acidified potassium dichromate it produces red colour fumes of chromyl chloride. It confirms the presence of chloride ions in that salt.

Explanation: