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  • Match the following reactions to their types. 1.<img alt="2Na_{(s)}+2H_2O_{(l)}\right

Match the following reactions to their types.

1.2Na_{(s)}+2H_2O_{(l)}\rightarrow 2NaOH_{\left ( aq \right )}+H_{2\left ( g \right )}

  p.disproportionate reaction

2.2NH_{3\left ( g \right )}\rightarrow N_{2\left ( g \right )}^{+}+3H_{2\left ( g \right )} 

  q.decomposition reaction

3.V_2O_{5\left ( g \right )}+5Ca_{\left ( s \right )}\overset{\Delta }{\rightarrow}2V_{\left ( s \right )}+5CaO_{\left ( s \right )}   

  r.Non-Metal Displacement Reaction

4.Cl_{2\left ( g \right )}+2OH^-_{\left ( aq \right )}\rightarrow Cl^-_{\left ( aq \right )}+ClO^-_{\left ( aq \right )}+H_2O_{\left ( l \right )}     

 s.Metal Displacement Reaction

 

Option: 1

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


Option: 2

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


Option: 3

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


Option: 4

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


Answers (1)

best_answer

Decomposition Reaction
This is the reaction that involves the breakdown of a compound into different compounds.

2NH_{3\left ( g \right )}\rightarrow N_{2\left ( g \right )}^{+}+3H_{2\left ( g \right )}

Disproportionation Reactions

Disproportionation reactions are those reactions in which a single element in one oxidation state is simultaneously oxidized and reduced.

Cl_{2\left ( g \right )}+2OH^-_{\left ( aq \right )}\rightarrow Cl^-_{\left ( aq \right )}+ClO^-_{\left ( aq \right )}+H_2O_{\left ( l \right )}

Metal Displacement: A metal in a compound can be displaced by another metal in an uncombined state. 

V_2O_{5\left ( g \right )}+5Ca_{\left ( s \right )}\overset{\Delta }{\rightarrow}2V_{\left ( s \right )}+5CaO_{\left ( s \right )}

 

Non-metal displacement: The non-metal displacement redox reactions include hydrogen displacement and a rarely occurring reaction involving oxygen displacement. 

2Na_{(s)}+2H_2O_{(l)}\rightarrow 2NaOH_{\left ( aq \right )}+H_{2\left ( g \right )}

 

Correct Match : 1-r,2-q,3-s,4-p 

Therefore,option(2) is correct

Posted by

Sayak

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