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

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Decomposition Reaction

The reaction ...

Question

The reaction given below is an example of a/an:
$2 {Pb(NO}_{3})_{2} (s) Heat - - \to 2 PbO(s) + 4 {NO}_{2} (g) + O_{2} (g)$

combination reaction

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decomposition reaction

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endothermic reaction

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exothermic reaction

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Solution

The correct options are
B decomposition reaction
C endothermic reaction
In the given reaction a single reactant lead nitrate, $[{Pb(NO}_{3})_{2}]$ on heating is breaking down into different products like lead oxide ( $PbO$ ), nitrogen dioxide ( ${NO}_{2}$ ) and oxygen ( $O_{2}$ ). This is an example of a decomposition reaction. The reaction is endothermic in nature since it involves absorption of heat. In other words the given reaction is a thermal decomposition reaction.

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The reaction given below is an example of:
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The given reaction is an example of

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

The reaction given below is an example of a/an:
$2 {Pb(NO}_{3})_{2} (s) Heat - - \to 2 PbO(s) + 4 {NO}_{2} (g) + O_{2} (g)$