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प्रश्न
Compare hydrogen and halogens on the basis of:
reaction with oxygen
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उत्तर
Hydrogen reacts with oxygen to form a neutral oxide, H2O. Halogens react with oxygen to form acidic oxides like Cl2O and Cl2O7.
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संबंधित प्रश्न
In the context of redox reactions, the removal of hydrogen from a substance is known as ______.
State, giving reason, whether the substances printed in bold letters have been oxidized or reduced.
PbO + CO → Pb + CO2
Give two tests for a reducing agent.
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`
During the reaction of some metals with dilute hydrochloric acid, following observations are made.
Silver metal does not show any change
Explain this observation giving suitable reason.
Write a short note on oxidizing and reducing agents.
The formation of brown colour on the freshly unit surface of vegetables and fruits is because ______ of organic compounds present in them.
Oxidizing agents are otherwise called ______.
Identify the following reactions as oxidation/reduction/redox reaction
CuO+H2 → Cu+H2O
