Chromyl Chloride Test Simulator

Chromyl Chloride Test

A specific confirmatory test for Chloride (Cl^-) ions in Qualitative Analysis.

1. Setup Experiment

Select Unknown Salt

Sodium Chloride (Cl⁻) Sodium Bromide (Br⁻) [Interfering Control]

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1

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3

2. Observation

Physical State Solid Salt

Status: Standby.
Select a salt. In Step 1, Potassium Dichromate (K₂Cr₂O₇) and Conc. H₂SO₄ will be added to the solid salt and heated.

3. Chemical Principles

Step 1: Chlorides react with K₂Cr₂O₇ and conc. H₂SO₄ to form red-orange vapors of Chromyl Chloride (CrO₂Cl₂).
Step 2: These vapors dissolve in NaOH to form a yellow solution of Sodium Chromate (Na₂CrO₄).
Step 3: Addition of Lead Acetate forms a bright yellow precipitate of Lead Chromate (PbCrO₄).

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