Answer: This is an oxidation-reduction (redox) reaction:
3 C-II - 12 e- → 3 CII (oxidation)
4 CrVI + 12 e- → 4 CrIII (reduction)
C2H5OH is a reducing agent, K2Cr2O7 is an oxidizing agent.
Answer:
1. combustion
2. decomposition
3. decomposition
4. combination
5. decomposition
6. decomposition
Explanation:
combination of a reaction is when 2 more or elements/ compounds combine to form a compound. example: (A+B→AB)
decomposition of a reaction is when a chemical breakdown. example: (AB→A+B)
a combustion reaction is when an element/ compound reacts with oxygen to form the product of water and carbon dioxide.
example: (
+
→
O +
)
Answer:
Protons
Explanation:
It's the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.
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Answer:
The answer is NO
Explanation:
In every compound, the sum of oxidation number between the elements is 0.
- In NO, nitrogen acts with +2 and oxygen as usual acts with -2
- In N₂O₃, nitrogen acts with +3 and oxygen, -2
- In NO₂, nitrogen acts with +4, and oxygen -2
- In N₂O, nitrogen acts with +1, and oxygen -2