NTA Abhyas 2020
- Exam
- NTA Abhyas
- Year
- 2020
- Subject
- Chemistry
- Chapter
- General Principles and Processes of Isolation of Metals
NTA Abhyas 2020 · Chemistry · General Principles and Processes of Isolation of Metals
Heating mixture of Cu_ 2 O and Cu_ 2 S will give
Heating mixture of {\text{Cu}_{2} \text{O} and {\text{Cu}_{2} \text{S} will give
Options
- A{\text{Cu+SO}_{2}
- B{\text{Cu+SO}_{3}
- C
- D{\text{Cu}_{2} {\text{SO}_{3}
Correct answer
A. {\text{Cu+SO}_{2}
Step-by-step solution
{\text{Cu}_{2} {\text{S+2Cu}_{2} \text{O} \to {\text{6Cu+SO}_{2} (Auto-reduction).
This reaction occurs in reverberatory furnace to get metallic copper.
This reaction occurs in reverberatory furnace to get metallic copper.