MolSynapsequestion bank

MolSynapse / Question bank / Qualitative Analysis: Anions / Chromyl chloride, brown ring and ring tests

NEET levelSingle correct optionDifficulty 1 of 3qa078

Sodium iodide solution is shaken with a little chlorine water and carbon tetrachloride. The lower organic layer becomes

Aorange-brown
Bgreen
Ccolourless
Dviolet

Answer: D

Chlorine oxidises

I X^{-}

to

I X_{2}

,

2 I X^{-} + Cl X_{2} I X_{2} + 2 Cl X^{-}

, and iodine dissolves in

CCl X_{4}

to give a violet layer. Bromine would give orange-brown.

Practice Qualitative Analysis: Anions More on Chromyl chloride, brown ring and ring tests

Previous questionNext question

More questions on Chromyl chloride, brown ring and ring tests