Advertisements
Advertisements
प्रश्न
Give two tests for a reducing agent.
Advertisements
उत्तर
Test For A Reducing Agent :
- When the reducing agent is warmed with `"HNO"_3`, BROWN FUMES of `"NO"_2` are given out.
- Reducing agent decolourises the pink colour of `("KMnO"_4)` dil. potassium permanganate solution.
APPEARS IN
संबंधित प्रश्न
Explain the following in terms of gain or loss of oxygen with one example:
Oxidation
Define the following in terms of gain or loss of hydrogen with one example:
Reduction
State, giving reason, whether the substances printed in bold letters have been oxidized or reduced.
PbO + CO → Pb + CO2
State whether the following conversion is oxidation or reduction:
Cu2+ + 2 e-→ Cu
Identify the reducing agent in the following reactions -
`"H"_2"O" + "F"_2 -> "HF" + "HOF"`
Identify the reducing agent in the following reactions
`"Fe"_2"O"_3 + 3"CO" -> 2"Fe" + 3"CO"_2`
The formation of brown colour on the freshly unit surface of vegetables and fruits is because ______ of organic compounds present in them.
The tarnishing of metals is due to the formation of ______.
In the redox reaction:
MnO2 + 4HCl → MnCl2 + 2H2O + Cl2
