2 Pb NO 32 s Heat - 2 PbO s -4 NO 2 g - O 2 g The reaction given above is an example of a-an-A- decomposition reactionB- exothermic reactionC- endothermic reactionD- combination reaction

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Decomposition Reaction

2 Pb NO 32 s ...

Question

$2 {Pb(NO}_{3})_{2} (s) Heat - - \to 2 PbO(s) + 4 {NO}_{2} (g) + O_{2} (g)$

The reaction given above is an example of a/an:

decomposition reaction

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exothermic reaction

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endothermic reaction

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combination reaction

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Solution

The correct options are
A decomposition reaction
C endothermic reaction
In the given reaction, lead nitrate is decomposing to form lead oxide, nitrogen dioxide, and oxygen on absorption of heat. This is a thermal decomposition reaction since a single reactant is breaking down into multiple products on absorption of heat.

However, this reaction is also an endothermic reaction since heat energy is getting absorbed.

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Similar questions

The following reaction is an example of a
$2 P b (N O_{3})_{2} (s) H e a t - -- \to 2 P b O (s) + 4 N O_{2} (g) + O_{2} (g)$
I. Combination reaction
II. Decomposition reaction
III. Endothermic reaction
IV. Exothermic reaction

Q. Which of the following reaction types are true for the given reaction?

C(s) + O_{2} (g) \to {CO}_{2} (g) + Heat

$B a C l_{2} + H_{2} S O_{4} \to B a S O_{4} ↓ + 2 H C l$ .
The reaction given above is an example of:

N₂(g) + 2H₂(g) → 2NH₃(g); ∆H = -91.8 kj/mol

The given reaction is an example of

{CO}_{2} (g) + H_{2} (g) \to CO(g) + H_{2} O(l)

The given reaction is an example of:

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2Pb(NO3)2(s)Heat−−→2PbO(s)+4NO2(g)+O2(g) The reaction given above is an example of a/an:

$2 {Pb(NO}_{3})_{2} (s) Heat - - \to 2 PbO(s) + 4 {NO}_{2} (g) + O_{2} (g)$

The reaction given above is an example of a/an: