Advertisements
Advertisements
Question
Complete and balance the following equation:
\[\ce{K + H2O -> }\]________+ ________
Advertisements
Solution
\[\ce{2K + 2H2O →\underline{2\text{KOH}} + \underline{\ce{H2}}}\]
APPEARS IN
RELATED QUESTIONS
In the reaction represented by the following equation:
CuO (s) + H2 (g) → Cu (s) + H2O (1)
(a) name the substance oxidised
(b) name the substance reduced
(c) name the oxidising agent
(d) name the reducing agent
MULTIPLE CHOICE QUESTIONS
The process of adding oxygen to a substance is called
- oxidation.
- reduction.
- displacement.
- hydrogenation.
Name:
a substance that oxidizes concentrated HCl to chlorine.
Name:
a liquid that is an oxidizing agent as well as a reducing agent.
Find the oxidation number of the elements in the following compounds.
- C in CO2
- Mn in MnSO4
- N in HNO3
In the reaction of iron with copper sulphate solution:
CuSO4 + Fe → Cu + FeSO4
Which option in the given table correctly represents the substance oxidized and the reducing agent?
| OPTION | Substance Oxidized | Reducing Agent |
| A | Fe | Fe |
| B | Fe | FeSO4 |
| C | Cu | Fe |
| D | CuSO4 | Fe |
Write a short note on oxidizing and reducing agents.
What is a redox reaction?
What are reducing agents? Give examples.
Metals are good ______.
