A reddish pink substance on heating gives off a vapour which condenses on the sides of the test tube and the substance turns blue. It on cooling water is added to the residue it turns to its original

Name: JEE Advanced Chemistry
Price: 7999 INR
Availability: InStock

Question

A reddish pink substance on heating gives off a vapour which condenses on the sides of the test tube and the substance turns blue. It on cooling water is added to the residue it turns to its original colour. The substance is:

Prashant Kotian · Accepted Answer

Correct answer: C. CoCl2.6H2O (pink) -heat-> CoCl2 (blue) + 6H2O.

💡 Solution & Explanation

Practice 22,000+ questions like this