Types of Chemical Reactions — Science STD 10 — Question
Tamilnadu BoardEnglish MediumSTD 10ScienceTypes of Chemical Reactions1 Mark
Question
What are reversible and irreversible reactions?
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Answer
Reversible reaction: A reversible reaction is a reaction that can be reversed, i.e., the products can be converted back to the reactants.
$\text { e.g., } PCl _{5( g )} \rightleftharpoons PCl _{3( g )}+ Cl _{2( g )}$
Irreversible reaction: The reaction that cannot be reversed is called irreversible reaction. The irreversible reactions are unidirectional.
$\text { e.g., } C _{( s )}+ O _{2( g )} \longrightarrow CO _{2( g )}+\text { Heat } $
$\text { Coal Oxygen Carbon dioxide } $
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