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EastWind [94]
3 years ago
11

Which reaction does not occur?

Chemistry
1 answer:
balu736 [363]3 years ago
7 0

Answer: 2HF(aq)+Cl_2(g)\rightarrow F_2(g)+2HCl(aq) will not occur.

Explanation:

A single replacement reaction is one in which a more reactive element displaces a less reactive element from its salt solution. Thus one element should be different from another element.

A general single displacement reaction can be represented as :

X+YZ\rightarrow XZ+Y

a) 2HF(aq)+Cl_2(g)\rightarrow F_2(g)+2HCl(aq)

Flourine is more reactive than chlorine and hence this reaction cannot occur.

b) 2Na(s)+ZnF_2(aq)\rightarrow 2NaF(aq)+Zn(s)

Sodium is more reactive than zinc and hence the reaction will occur.

c) Fe(s)+CuCl_2(aq)\rightarrow FeCl_2(aq)+Cu(s)

Iron is more reactive than copper and hence the reaction will occur.

d) 2HCl(aq)+Mg(s)\rightarrow MgCl_2(aq)+H_2(g)

Magnesium is more reactive than hydrogen and hence the reaction will occur.

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