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The reaction H2 + Cl2 → 2HCl is a –
  • a)
    Decomposition reaction
  • b)
    Combination reaction
  • c)
    Double displacement reaction
  • d)
    Displacement reaction
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
The reaction H2+ Cl2→2HCl is a –a)Decomposition reactionb)C...
It is a reaction in which two substances react with each other to make a single substance. Therefore, H2 + CL2 = 2HCL is an COMBINATION REACTION. It is a special case of addition reaction known as synthesis.
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The reaction H2+ Cl2→2HCl is a –a)Decomposition reactionb)C...
The chemical reaction between hydrogen gas (H2) and chlorine gas (Cl2) is an exothermic reaction that produces hydrogen chloride gas (HCl). The balanced equation for this reaction is:

H2 + Cl2 → 2HCl

In this reaction, two molecules of hydrogen gas react with two molecules of chlorine gas to produce two molecules of hydrogen chloride gas. The reaction is highly exothermic, which means it releases a large amount of heat energy. This reaction is used in the production of hydrochloric acid and other chlorine-containing compounds.
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Community Answer
The reaction H2+ Cl2→2HCl is a –a)Decomposition reactionb)C...
The reaction of H2 and Cl2 can result in the formation of hydrogen chloride (HCl) gas. This reaction is highly exothermic, meaning it releases heat energy as the reaction proceeds. The balanced chemical equation for this reaction is:

H2 + Cl2 → 2HCl

In this reaction, two hydrogen molecules (H2) react with two chlorine molecules (Cl2) to form two molecules of hydrogen chloride (2HCl). This reaction occurs spontaneously at room temperature and is often used in industrial processes to produce hydrochloric acid.
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The reaction H2+ Cl2→2HCl is a –a)Decomposition reactionb)Combination reactionc)Double displacement reactiond)Displacement reactionCorrect answer is option 'B'. Can you explain this answer?
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