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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
Indicate which of the following statement is true and which is false:
The removal of hydrogen from a substance is called reduction.
How would you change a metal like Cu into its ions?
Compare hydrogen with alkali metals on the basis of:
Oxide formation
State, giving reason, whether the substances printed in bold letters have been oxidized or reduced.
Mg + 2HCl → MgCl2 + H2
In the following reaction: A+ + B → A + B+. Write half-reactions for this reaction and name:
- oxidizing agent
- substance oxidized
- reducing agent
Find the oxidation number of the elements in the following compounds.
- C in CO2
- Mn in MnSO4
- N in HNO3
Oxidation is a process which involves ____________.
The formation of brown colour on the freshly unit surface of vegetables and fruits is because ______ of organic compounds present in them.
Define oxidation number.
