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Based on the activity series provided, which reactants will form products?

[tex]\[ F \ \textgreater \ Cl \ \textgreater \ Br \ \textgreater \ I \][/tex]

1. [tex]\(\text{CuI}_2 + \text{Br}_2 \rightarrow \)[/tex]
2. [tex]\(\text{Cl}_2 + \text{AlF}_3 \rightarrow \)[/tex]
3. [tex]\(\text{Br}_2 + \text{NaCl} \rightarrow \)[/tex]
4. [tex]\(\text{CuF}_2 + \text{I}_2 \rightarrow \)[/tex]

Sagot :

To determine which reactions will occur based on the activity series [tex]\(F > Cl > Br > I\)[/tex], we need to compare the reactivity of the halogens in each pair of reactants.

1. First reaction: [tex]\(CuI_2 + Br_2\)[/tex]

- Iodine (I) is less reactive than Bromine (Br).
- In the activity series, Bromine (Br) is more reactive than Iodine (I).
- Therefore, Bromine can replace Iodine in the compound [tex]\(CuI_2\)[/tex].

This reaction will occur.

2. Second reaction: [tex]\(Cl_2 + AlF_3\)[/tex]

- Chlorine (Cl) is less reactive than Fluorine (F).
- In the activity series, Fluorine (F) is more reactive than Chlorine (Cl).
- As a result, Chlorine will not be able to replace Fluorine in [tex]\(AlF_3\)[/tex].

This reaction will not occur.

3. Third reaction: [tex]\(Br_2 + NaCl\)[/tex]

- Bromine (Br) is less reactive than Chlorine (Cl).
- In the activity series, Chlorine (Cl) is more reactive than Bromine (Br).
- Therefore, Bromine cannot replace Chlorine in [tex]\(NaCl\)[/tex].

This reaction will not occur.

4. Fourth reaction: [tex]\(CuF_2 + I_2\)[/tex]

- Iodine (I) is less reactive than Fluorine (F).
- In the activity series, Fluorine (F) is more reactive than Iodine (I).
- Hence, Iodine cannot replace Fluorine in [tex]\(CuF_2\)[/tex].

This reaction will not occur.

Summarizing the results:
- The reaction [tex]\(CuI_2 + Br_2\)[/tex] will occur.
- The reaction [tex]\(Cl_2 + AlF_3\)[/tex] will not occur.
- The reaction [tex]\(Br_2 + NaCl\)[/tex] will not occur.
- The reaction [tex]\(CuF_2 + I_2\)[/tex] will not occur.

Thus, the outcomes are:
- Reaction 1: True (will occur)
- Reaction 2: False (will not occur)
- Reaction 3: False (will not occur)
- Reaction 4: False (will not occur)

The answer is [tex]\((True, False, False, False)\)[/tex].