Advertisements
Advertisements
प्रश्न
Name:
a solid that is an oxidizing agent.
Advertisements
उत्तर
MnO2
APPEARS IN
संबंधित प्रश्न
When a magnesium ribbon is heated, it burns in air to form magnesium oxide. Write a balanced chemical equation for this reaction. Name
- substance oxidised, and
- substance reduced.
State whether the following conversion is oxidation or reduction:
Cu2+ + 2 e-→ Cu
A metal oxide that is reduced by hydrogen is
Explain the term reduction in term of addition and removal of oxygen/hydrogen with a suitable example.
Select the correct answer from the symbol in the bracket.
The element, which like hydrogen is a strong reducing agent.
Identify the oxidising agent (oxidant) in the following reactions
`"V"_2"O"_5 + 5"Ca" -> 2"V" + 5"CaO"`
What happens when zinc granules are treated with dilute solution of H2SO4, HCl, HNO3, NaCl and NaOH Also write the chemical equations if reaction oçcurs.
Choose the odd one out and write the reason:
Find the oxidation number of the element in the following compound.
N in NH3
A reddish brown metal used in electrical wires when powdered and heated strongly turns black. When hydrogen gas is passed over this black substance, it regains its original colour. Based on this information answer the following questions:
- Name the metal and the black substance formed.
- Write balanced chemical equations for the two reactions involved in the above information
