Q.

Which of the following is the name for the given reaction?


H2 + Cl2  2HCl


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a

Combination reaction

b

Redox reaction

c

Displacement reaction

d

Both 1 and 2 

answer is D.

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Detailed Solution

This reaction  H2 + Cl2  2HCl is a Combination reaction as well as Redox reaction.
There are many reactions, such as combination, displacement and decomposition reactions. A decomposition reaction is also known as a synthesis reaction.
In combination reactions, the reactants are combined to produce a single product. In the displacement reaction, one element displaces another element in its salt, while the decomposition reaction decomposes the single compound into more than one product.
In this reaction, hydrogen and chlorine combine, they are forming a single product, HCl.
It is also an example of a redox reaction, as one is oxidised and the other is reduced.
 
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