QuestionJuly 9, 2025

According to the activity series, which of these metals will react with most acids to produce H, gas? H_(2) K Ag Zn

According to the activity series, which of these metals will react with most acids to produce H, gas? H_(2) K Ag Zn
According to the activity series, which of these metals will react with most acids to produce H, gas?
H_(2)
K
Ag
Zn

Solution
4.4(362 votes)

Answer

K Explanation 1. Identify Reactivity of Metals The activity series ranks metals by their ability to displace hydrogen from acids. Metals above hydrogen in the series will react with acids to produce H_2 gas. 2. Compare Metal Positions Potassium (K) and Zinc (Zn) are above hydrogen, while Silver (Ag) is below hydrogen in the activity series. 3. Determine Most Reactive Metal Potassium (K) is higher than Zinc (Zn) in the activity series, making it more reactive.

Explanation

1. Identify Reactivity of Metals<br /> The activity series ranks metals by their ability to displace hydrogen from acids. Metals above hydrogen in the series will react with acids to produce $H_2$ gas.<br /><br />2. Compare Metal Positions<br /> Potassium (K) and Zinc (Zn) are above hydrogen, while Silver (Ag) is below hydrogen in the activity series.<br /><br />3. Determine Most Reactive Metal<br /> Potassium (K) is higher than Zinc (Zn) in the activity series, making it more reactive.
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