Advertisements
Advertisements
Question
Identify the reducing agent in the following reactions
`2"H"_2 + "O"_2 -> 2"H"_2"O"`
Solution
H2 is causing the reduction of O2 to H2O so, hydrogen is the reducing agent.
APPEARS IN
RELATED QUESTIONS
Give one example of an oxidation-reduction reaction which is also a combination reaction.
You are given the following chemical equation:
Mg (s) + CuO (s) → MgO (s) + Cu (s)
This equation represents:
(a) decomposition reaction as well as displacement reaction
(b) combination reaction as well as double displacement reaction
(c) redox reaction as well as displacement reaction
(d) double displacement reaction as well as redox reaction
Give scientific reason.
It is reccommended to use air tight container for storing oil for long time.
In what respect does hydrogen differ from:
alkali metals
Which of the following statements about hydrogen is incorrect?
Explain the term redox reaction with an example involving the reaction of hydrogen sulphide with chlorine.
Find the oxidation number of the elements in the following compounds.
- C in CO2
- Mn in MnSO4
- N in HNO3
Identify the reducing agent in the following reactions
`4"NH"_3 + 5"O"_2 -> 4"NO" + 6"H"_2"O"`
During the reaction of some metals with dilute hydrochloric acid, following observations are made.
The temperature of the reaction mixture rises when aluminium (Al) is added.
Explain this observation giving suitable reason.
Define oxidation number.
