Table of Contents
Is potassium less reactive than copper?
Potassium is the most reactive metal, while platinum is the least reactive. These metals can displace hydrogen from acids or water and liberate hydrogen gas. The metals copper, silver gold and platinum are less reactive than hydrogen and they do not replace hydrogen from water or acid.
What are the 2 least reactive elements?
The elements of group 18 of the periodic table are called the Noble gases and these are the least reactive elements in the periodic table. This is due to their complete octets which makes them highly stable. These are monoatomic, odorless, colorless gases. These include- helium, neon, argon, krypton, xenon, and radon.
Is calcium less reactive than copper?
(b) Calcium reacts with hydrochloric acid but copper doesn’t because calcium is more reactive than copper.
Why potassium is more reactive than calcium?
Potassium has only one valence electron. On loosing this electron, it achieves a noble gas configuration. Whereas, calcium has two valence electrons, so it requires more energy for the removal of a valence electron. Due to this potassium is more reactive than calcium.
Why is copper the least reactive metal?
In a reactivity series, the most reactive element is placed at the top and the least reactive element at the bottom. More reactive metals have a greater tendency to lose electrons and form positive ions ….The reactivity series.
| Element | Reaction with dilute acids |
|---|---|
| Copper | Very slowly |
| Silver | Barely reacts |
| Gold | Does not react |
Why is copper less reactive than calcium?
Answer: Copper is less reactive than Calcium. This is because Calcium is higher in the reactivity series of metals compared to copper and thus reacts more than copper. In this case, calcium is higher in the reactivity series than copper thus more reactive.
Is copper reactive or nonreactive?
The terms “reactive” and “nonreactive” are referring to the type of metal from which your pot or bowl is made. Aluminum, cast iron, and copper are all “reactive.” Stainless steel, ceramic, glass, and metal cookware with enamel coating are all “nonreactive.”
Which is the least reactive metal in the periodic table?
What metal is the least reactive? The elements in the periodic table known as the transition metals are much less reactive, and metals such as gold and platinum endorse the bottom of the list, exhibiting less in the way of chemical reaction with any ordinary reagents.
Which is the most reactive element in the reactivity series?
The reactivity series In a reactivity series, the most reactive element is placed at the top and the least reactive element at the bottom. More reactive metals have a greater tendency to lose electrons and form positive ions. A reactivity series of metals could include any elements.
Which is the most reactive metal in the world?
Potassium is the most reactive metal, while platinum is the least reactive. The higher the metal in the series, the more reactive it is and the more vigorously it reacts with water, oxygen and acid. So zinc is more reactive than iron and copper.
How can we find out the reactivity of metals?
We can examine the reactivity of metals by observing their reactions with oxygen, water, steam and whether it displaces other metals in displacement reactions. This table summarises the reactions of some metals in the reactivity series.