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  • Match the following reactions to their types. 1. <img alt="2HgO\overset{\Delta }{

Match the following reactions to their types.

1. 2HgO\overset{\Delta }{\rightarrow}2Hg+O_2

2. 3Fe+4H_2O\overset{\Delta }{\rightarrow}Fe_3O_4+4H_2

3. MgO+2Na\rightarrow Na_2O+Mg

4.2NO_2+2OH^-\rightarrow NO_2^-+NO_3^-+H_2O

p.disproportionation reaction

q.Metal Displacement Reaction

r.decomposition reaction

s.Non-Metal Displacement Reaction

 

Option: 1

1-r,2-s,3-q,4-p


Option: 2

1-s,2-q,3-r,4-p


Option: 3

1-p,2-q,3-s,4-r


Option: 4

1-q,2-s,3-p,4-r


Answers (1)

best_answer

2NO_2+2OH^-\rightarrow NO_2^-+NO_3^-+H_2O is a disproportionation reaction as nitrogen atoms undergo both oxidation and reduction from +4 to +5 and +3 O.S. respectively.
Therefore,option(1) is correct

Posted by

jitender.kumar

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