Test SeriesFree PYQsExamsPricing

JEE Main Chemistry question

ChemistryRedox ReactionsJEE Main

There is also formation of insoluble (black) when copper reacts with conc. . What is the change in oxidation number of sulphur (in forming this )?

Answer: 8

Solution

In conc. , sulphur is in the oxidation state. In the black insoluble byproduct,

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-146094