Advertisements
Advertisements
प्रश्न
State whether the following conversion is oxidation or reduction:
Cu2+ + 2 e-→ Cu
Advertisements
उत्तर
Reduction
APPEARS IN
संबंधित प्रश्न
Corrosion can be prevented by using ……………. solution.
Identify from the reaction the reactants that undergo oxidation and reduction.
Fe + S → FeS
In the following reaction: A+ + B → A + B+. Write half-reactions for this reaction and name:
- oxidizing agent
- substance oxidized
- reducing agent
Divide the following reactions into oxidation and reduction half-reaction:
Zn + Cu2+ → Cu + Zn 2+
For the reaction PbO + H2→ Pb + H2O, which of the following statements is wrong?
Complete and balance the following equation:
\[\ce{K + H2O -> }\]________+ ________
Write chemical formula for rust.
The process of reduction involves ____________.
Identify the oxidising agent (oxidant) in the following reactions
`"Pb"_3"O"_4 + 8"HCl" -> 3"PbCl"_2 + "Cl"_2 + 4"H"_2"O"`
Grapes hanging on the plant do not ferment but after being plucked from the plant can be fermented. Under what conditions do these grapes ferment? Is it a chemical or a physical change?
