What type of reaction is CS2(g)+O2(g)= CO2(g)+S2O4(aq)+HEAT?
A) Synthesis
B) Decomposition
C) Single Replacement
D) Double Replacement
E) Combustion
F) Redox Reaction
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Ca3(PO4)
To determine the type of reaction, we need to understand the different types of reactions and their characteristics.
A) Synthesis: In a synthesis reaction, two or more substances combine to form a single product. The given reaction does not fit this description since CS2 (carbon disulfide) and O2 (oxygen) are reacting to form multiple products, CO2 (carbon dioxide), S2O4 (disulfur tetraoxide) in aqueous form, and heat is released.
B) Decomposition: In a decomposition reaction, a single compound breaks down into two or more simpler substances. Since the given reaction involves the combination of CS2(g) and O2(g) to form CO2(g), S2O4(aq), and heat, it does not fit the description of decomposition.
C) Single Replacement: In a single replacement reaction, one element replaces another element in a compound. However, the given reaction does not involve any element replacing another, so it is not a single replacement reaction.
D) Double Replacement: In a double replacement reaction, the positive ions (cations) and negative ions (anions) of two compounds switch places to form two new compounds. This reaction does not fit the description of double replacement since there is no swapping of cations and anions.
E) Combustion: In a combustion reaction, a fuel (containing carbon and hydrogen) reacts with oxygen (O2) to produce carbon dioxide (CO2) and water (H2O). The given reaction involves the reactants CS2 and O2, but it does not follow the pattern of a combustion reaction.
F) Redox Reaction: A redox (reduction-oxidation) reaction involves the transfer of electrons from one species to another. It typically involves the change in oxidation states of the elements in the reaction. To determine if the given reaction is a redox reaction, we need to examine the oxidation states of the elements involved.
In the given reaction, the oxidation state of carbon in CS2 is +4, and in CO2, it is also +4. There is no change in oxidation state, so carbon does not undergo a redox reaction. Similarly, sulfur in S2O4 has an oxidation state of +6, and in CS2, it is also +6, indicating no change.
Therefore, the correct answer is F) Redox Reaction.
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