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प्रश्न
Name:
a substance that oxidizes concentrated HCl to chlorine.
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उत्तर
MnO2
manganese(IV) oxide
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संबंधित प्रश्न
Define the following in terms of gain or loss of hydrogen with one example:
Reduction
The process of respiration is ______.
Indicate which of the following statement is true and which is false:
The removal of hydrogen from a substance is called reduction.
Divide the following reactions into oxidation and reduction half-reaction:
Cl2 + 2Br- → Br2 + 2Cl-
Name:
a solid that is an oxidizing agent.
Explain the term oxidation in term of addition and removal of oxygen/hydrogen with a suitable example.
Choose the odd one out and write the reason:
Identify the following reactions as oxidation/reduction/redox reaction
2Mg +O2 → 2MgO
In the redox reaction:
MnO2 + 4HCl → MnCl2 + 2H2O + Cl2
State the change in colour observed in following case mentioning the reason:
Copper powder is strongly heated in air.
