Can combination reaction be considered as oxidation reaction ?

Question

Answer

Yaaa...y not !!!
example: formation of water
H2 +O2= H20
here hydrogen gets oxidised

Answer

YES
Combustion reactions involve heat and light whereas oxidation reaction does not involve heat. All combustion reactions are oxidizing since they absorb Oxygen for the reaction to take place but all oxidation reactions are not combustion reactions.

Any reaction which constitutes oxygen as one of the ingredients, is known as oxidation reaction. Now, combustion is a process in which chemical substances burn in the presence of oxygen and this process can only occur in presence of oxygen. Thus Combustion is known as oxidation reaction.

Answer

Yaa,we can easily understood by taking an example:
Reaction of carbon and oxygen together for carbon dioxide by combination reaction.
C+O2----->CO2,in which Carbon is oxidised.

Answer

Yes...

Answer

No

Answer

No combination reaction cannot be considered as oxidation reaction in all cases. In combination reaction, If a compound or element is oxygen in reactants side then it is said to be  oxidation .

Answer

Understanding Combination Reactions
Combination reactions, also known as synthesis reactions, involve the merging of two or more reactants to form a single product.

Example: A + B → AB

Oxidation Reactions Defined
Oxidation reactions are characterized by the loss of electrons or an increase in oxidation state. They often involve substances reacting with oxygen.

Example: C + O2 → CO2

Combination Reactions as Oxidation Reactions
Not all combination reactions are oxidation reactions; however, some can be categorized as such when they involve the transfer of electrons.

Oxidation State Change: If one of the reactants is oxidized (loses electrons), it qualifies as an oxidation reaction.
Formation of Oxides: Reactions between metals and oxygen are classic examples, like the formation of metal oxides.

Examples of Combination Oxidation Reactions
1. Metal with Oxygen
- When sodium (Na) combines with oxygen (O2), it forms sodium oxide (Na2O), illustrating oxidation.

4Na + O2 → 2Na2O

2. Non-metals with Oxygen
- When sulfur (S) combines with oxygen, it produces sulfur dioxide (SO2), which also represents oxidation.

S + O2 → SO2

Conclusion
In conclusion, while combination reactions can be oxidation reactions, this classification depends on the nature of the reactants and the changes occurring in their oxidation states. It is essential to analyze each reaction individually to determine its classification accurately.

Similar Class 10 Doubts

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