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Chemical Kinetics — Chemistry STD 12 — Question

Tamilnadu BoardEnglish MediumSTD 12ChemistryChemical Kinetics3 Marks
Question
What are the examples of first order reaction?
✓

Answer

1. Decompostion of dinitrogen pentoxide
$
N _2 O _{2( g )} \rightarrow 2 NO _{2( g )}+\frac{1}{2} O _{2( g )}
$
2. Decomposition of thionylchloride
$
SO _2 Cl _{2( g )} \rightarrow SO _{2( g )}+ Cl _{2( g )}
$
3. Decomposition of $H _2 O _2$ in aqueous solution
$
H _2 O _{2( aq )} \rightarrow H _2 O _{(1)}+\frac{1}{2} O _{2( g )}
$
4. Isomerisation of cyclopropane to propene

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