Register
What is the role of manganese dioxide in the preparation of oxygen gas in the laboratory?​
69.5k views
1 vote
What is the role of manganese dioxide in the preparation of oxygen gas in the laboratory?​

User Milianw
by
5.8k points

2 Answers

2 votes
The manganese dioxide is a catalyst. That means it speeds up the decomposition reaction of H2O2 → H2O + O2. Also, being a catalyst,manganese dioxide is not consumed or chemically altered during the reaction. ... a1) Take a photo of your setup while it is producing oxygen.
User Stefanus
by
4.9k points
1 vote

Answer:

The manganese dioxide is a catalyst. That means it speeds up the decomposition reaction of H2O2 → H2O + O2.

Step-by-step explanation:

User Ekrem Gurdal
by
5.1k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.7m questions

7.4m answers

Other Questions

Write the parts of the electromagnetic spectrum in order from lowest frequency to highest frequency
Compound A is an organic compound which contains Carbon, Hydrogen and Oxygen. When 0.240g of the vapour of A is slowly passed over a large quantity of heated Copper (II) oxide, CuO, the compound A is completely
Chlorine (Cl) forms a salt when it is combined with a metal. This element belongs in _____. group 18 group 17 period 18 period 17
As the vibration of molecules increases, the _____ of the substance increases. temperature internal energy kinetic energy all of the above
In the following diagram for preparation of hydrogen gas as shown in the figure,what would happen if the following changes are made? (a) In place of zinc granules, same amount of zinc dust is taken in
Link Copied!