Considering the activity series given below for metals and nonmetals, which reaction will occur?
Al > Mn > Zn > Cr > Fe > Cd > Co > Ni > Sn > Pb > H > Sb > Bi > Cu > Ag > Pd >Hg > Pt

F > Cl > Br > I

2NaBr + I2 Right arrow. 2NaI + Br2
2Fe + Al2O3 Right arrow. 2Al + Fe2O3
2AgNO3 + Ni Right arrow. Ni(NO3)2 + 2Ag
Pb + Zn(C2H3O2)2 Right arrow. Zn + Pb(C2H3O2)2

Respuesta :

Answer:

the answer is C i just took the test

Explanation:

2AgNO3 + Ni Right arrow. Ni(NO3)2 + 2Ag

Considering the activity series, the reaction that will occur is:

2 AgNO₃ + Ni ⇒ Ni(NO₃)₂ + 2 Ag

Let's consider the following activity series.

Al > Mn > Zn > Cr > Fe > Cd > Co > Ni > Sn > Pb > H > Sb > Bi > Cu > Ag > Pd >Hg > Pt

F > Cl > Br > I

Elements that are more active will displace elements that are less active.

According to it, we will predict which reactions can occur.

  • 2 NaBr + I₂ ⇒ 2 NaI + Br₂

NO. I is less active than Br so it won't displace it from NaBr.

  • 2 Fe + Al₂O₃ ⇒ 2 Al + Fe₂O₃

NO. Fe is less active than Al si it won't displace it from Al₂O₃.

  • 2 AgNO₃ + Ni ⇒ Ni(NO₃)₂ + 2 Ag

YES. Ni is more active than Ag so the reaction will occur.

  • Pb + Zn(C₂H₃O₂)₂ ⇒ Zn + Pb(C₂H₃O₂)₂

NO. Pb is less active than Zn so it won't displace it from Zn(C₂H₃O₂)₂.

Considering the activity series, the reaction that will occur is:

2 AgNO₃ + Ni ⇒ Ni(NO₃)₂ + 2 Ag

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