johnplog2924
20.11.2020 •
Chemistry
Which of the following would be a good choice of metal spoons to stir a
solution of lead(II) nitrate?
A. Silver
B. tin
C. nickel
D. Fe
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Ответ:
A. Silver
Explanation:
In order to answer this question accurately, we must have a good knowledge about the position of metals in the electrochemical series.
We must know that metals that are high above in the electrochemical series displace metals that are lower in the series from their aqueous solution. This means that tin, nickel and iron can all displace the lead from the solution of lead(II) nitrate.
However, silver is far less reactive than lead so it can not displace lead from its aqueous solution, hence the answer above.
Ответ: