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  • Which of the following can be classified as the decomposition reaction?Option: 1 <img alt="2Fe\left ( OH \right )_{3}\overset{\Delta }{\rightarrow}Fe

Which of the following can be classified as the decomposition reaction?

Option: 1

2Fe\left ( OH \right )_{3}\overset{\Delta }{\rightarrow}Fe_2O_3+3H_2O


Option: 2

Pb(NO_3)_2+Fe\rightarrow Fe(NO_3)_2+Pb


Option: 3

2KI+Br_2\rightarrow 2KBr+I_2


Option: 4

3Mg+N_2\rightarrow Mg_3N_2


Answers (1)

best_answer

As we learnt

 

Decomposition Reaction -

 

This is opposite of combination reaction precisely, a decomposition reaction lead to the breakdown of a compound into two or more components at least one of which must be in an elemental state.

- wherein

2H_{2}O(l)\overset{\Delta}{\rightarrow}2H_{2}(g)+O_{2}(g)

+1     -2                 0               0

 

 Option(1) is the only decomposition reaction.

 

Posted by

jitender.kumar

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