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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
Explain the following in term Oxidation of gain or loss of oxygen with two example.
Fill in the blank
Oxidation is the removal of ......................and addition of ....................
Define an oxidation reaction.
Oxidising agents are also called as ______ because they remove electrons form other substances.
Identify the reducing agent in the following reactions
`4"NH"_3 + 5"O"_2 -> 4"NO" + 6"H"_2"O"`
Identify the reducing agent in the following reactions -
`"H"_2"O" + "F"_2 -> "HF" + "HOF"`
On adding a drop of barium chloride solution to an aqueous solution of sodium sulphite, white precipitate is obtained :
- Write a balanced chemical equation for the reaction involved.
- What other name can be given to this precipitation reaction?
- On adding dilute hydrochloric acid to the reaction mixture, white precipitate disappears. Why?
Write a short note on oxidizing and reducing agents.
Mention some oxidation reactions that occur in daily life.
Metals are good ______.
