Answered

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TIME REMAINING 52:03 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

Sagot :

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Answer:

2NaBr + I2 Right arrow. 2NaI + Br2

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

Explanation:

The activity or electrochemical series is an arrangement of elements according to their order

of reactivity.

If we look at the reactions, one thing that we must note is that the reactions that can occur are those in which an element that is higher in the series displaces another element that is lower in the series.

Br is higher in the electrochemical series than I so it can displace it. Ni is higher than Ag in the electrochemical series hence it can displace it.

Answer: c

Explanation: Edge2021

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