Which of the following is not a decomposition reaction?

CaCO₃ → CaO + CO₂

No worries! We‘ve got your back. Try BYJU‘S free classes today!

2KClO₃ →2KCl + 3O₂

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Digestion of food in the body.

No worries! We‘ve got your back. Try BYJU‘S free classes today!

H₂ + Cl₂ → 2HCl

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D
H₂ + Cl₂ → 2HCl

$H_{2} + C l_{2} \to 2 H C l$ is not a decomposition reaction.
Decomposition reaction means one compound gets broken down into multiple simpler compounds.
In the given reaction, the reactants combine to form a product. So,
$H_{2} + C l_{2} \to 2 H C l$ is a combination reaction.

Suggest Corrections

Similar questions

Classify each of the following reactions as combination, decomposition, displacement or double displacement reaction. [5 MARKS]

Conversion of $C a C O_{3}$ into $C a O$ as per the following reaction is an example of:

$C a C O_{3} (s) h e a t - - \to C a o (s) + C O_{2} (g)$

C a C O_{3} \to C a O + C O_{2}

2 K C l O_{3} \to 2 K C l + {3 O}_{2}

Join BYJU'S Learning Program