Advertisements
Advertisements
Question
Name:
a substance that oxidizes concentrated HCl to chlorine.
Advertisements
Solution
MnO2
manganese(IV) oxide
APPEARS IN
RELATED QUESTIONS
The chemical formula for rust is.............. .
In the context of redox reactions, the removal of hydrogen from a substance is known as ______.
Describe briefly the ionic concept of oxidation and reduction. Give an equation to illustrate.
Reacting with water, an active metal produces
Choose terms from the options given in brackets to complete this sentence.
When CuO reacts with hydrogen,………………… is reduced and ……………….is oxidized to ………………….
(CuO, H2, Cu, H2O)
When Ag is exposed to air it gets a black coating of ____________.
Identify the reducing agent in the following reactions
`2"H"_2 + "O"_2 -> 2"H"_2"O"`
The sum of the oxidation number of all atoms in a compound is ______.
______ is a metal that has a high resistance to corrosion.
Identify the following reactions as oxidation/reduction/redox reaction
Zn + CuSO4 → Cu + ZnSO4
