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Platinum is the least reactive metal. It has remarkable resistance to corrosion, even at high temperatures, and is therefore considered a noble metal. Consequently, platinum is often found chemically uncombined as native platinum.Calcium. Hint: Platinum is one of the rare metals on earth and is also called the noble metal as it is not found in combined states in natural surroundings. Complete answer: Platinum is the least reactive of all the options.Solution : Most reactive metal : K (potassium) , Least reactive metal : Au (gold).
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The reactivity series.
| Element | Reaction with dilute acids |
|---|---|
| Magnesium | Quickly |
| Zinc | More slowly |
| Iron | More slowly than zinc |
| Copper | Very slowly |
Table of Contents
Which is the least reactive metal Class 10?
Calcium. Hint: Platinum is one of the rare metals on earth and is also called the noble metal as it is not found in combined states in natural surroundings. Complete answer: Platinum is the least reactive of all the options.
Which is the most reactive and least reactive metal?
Solution : Most reactive metal : K (potassium) , Least reactive metal : Au (gold).
Reactivity Series of Metals | Environmental | Chemistry | FuseSchool
Images related to the topicReactivity Series of Metals | Environmental | Chemistry | FuseSchool
What is the least reactive metal group?
Noble gases are the least reactive of all known elements. That’s because with eight valence electrons, their outer energy levels are full.
Is iron the least reactive metal?
…
The reactivity series.
| Element | Reaction with dilute acids |
|---|---|
| Magnesium | Quickly |
| Zinc | More slowly |
| Iron | More slowly than zinc |
| Copper | Very slowly |
What are the 2 least reactive metals?
Silver, gold, and platinum are metals with the least reactivity.
Is platinum the least reactive metal?
…
| Platinum | |
|---|---|
| Atomic number (Z) | 78 |
| Group | group 10 |
| Period | period 6 |
| Block | d-block |
Which is most reactive metal?
Francium is most reactive element in periodic table. However, francium is artificial or only few quantities have produced right now, so after the francium, cesium is most reactive metal.
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The Metal Reactivity Series – Compound Interest
They’re closely followed by the marginally less reactive group two metals. The metals designated as the transition metals in the periodic table …
Assignments » Hydrogen, alkaloid metals, nobel gases
Noble gases are the least reactive of all known elements. That’s because with eight valence electrons, their outer energy levels are full. The only exception is …
Reactivity series – Wikipedia
In chemistry, a reactivity series (or activity series) is an empirical, calculated, … series of metals, arranged by their “reactivity” from highest to lowest.
Reactivity series – GCSE Chemistry (Single Science) Revision
A list of elements from most reactive to least reactive: potassium, sodium, lithium. A good way to remember the order of a reactivity series of metals is to use …
Which is the least reactive element in reactivity series?
We know that reactivity series is arranged in such a way that as we move from bottom to top, reactivity of the metals increases. As we can see in the series, out of all the given options gold is the least reactive metal.
What is the most reactive metal least reactive Brainly?
Answer. Least reactive metals –gold, silver, titanium, palladium, platinum.
Why is gold the least reactive metal?
Since the 6s orbital with one electron is contracted, this electron is more tightly bound to the nucleus and less available for bonding with other atoms. The 4f and 5d orbitals expand, but can’t be involved in bond formation since they are completely filled. This is why gold is relatively unreactive.
Why is silver the least reactive metal?
Refrences. Explanation: According to the reactivity series of metals, silver lies at the bottom, hence it is least reactive than others.
What are reactive metals?
Reactive metal is a group of metal elements that can form a reaction with acids, water, mineral acids and powerful oxidizing acids. This group can be identified with the activity or reactivity series, which determines the most reactive metals from highest to lowest.
Trends in the Periodic Table — Reactivity!
Images related to the topicTrends in the Periodic Table — Reactivity!
Which of the following are least reactive?
Black phosphorus is thermodynamically most stable form of phosphorus as it is a highly polymerised form of phosphorus. Hence it is least reactive.
Is aluminium less reactive than iron?
Aluminium is more reactive than iron.
Is lithium the most reactive metal?
So, the correct answer is option D. Note- On the periodic table the most reactive element is the francium. But Francium is a laboratory-produced element and only minute amounts have been made, so the most reactive metal is cesium for all practical purposes.
Is silver the least reactive metal?
Silver or gold are noble metals and are present at the bottom of reactivity series.
Why is copper not reactive?
On the other hand, copper is placed lower than hydrogen in the activity series of metals (which means that it is less reactive than hydrogen) and therefore does not react with HCl .
Which is least reactive gold or platinum?
Platinum is placed below gold in the reactivity series.
Which metal is less reactive copper or zinc?
Therefore, zinc is more reactive than copper.
Is potassium the most reactive metal?
– Potassium metal has more number of shells compared to sodium and thus it becomes easy to remove one electron from its outermost orbital ( less ionization enthalpy). – So, out of given metals, Potassium is the most reactive metal. Therefore, potassium is the most reactive metal among the given options.
Which is the most reactive nonmetal?
Fluorine is the most reactive non-metal because it is the most electronegative of all of the non-metal elements of the periodic table. Due to its strong electro negativity & small size, Fluorine has a strong tendency to accept electrons from other atoms or ions.
Is caesium the most reactive metal?
The most reactive metal on the periodic table is francium. Francium, however, is a laboratory-produced element and only minute quantities have been made, so for all practical purposes, the most reactive metal is cesium.
GCSE Chemistry – Reactivity Series of Metals Displacement Reactions #37
Images related to the topicGCSE Chemistry – Reactivity Series of Metals Displacement Reactions #37
What is the second most reactive metal?
The alkaline earth metals are the second most reactive family of elements. Beryllium, magnesium, calcium, strontium, barium and radium are all shiny, and silvery-white. They all have low densities, melting points and boiling points, and they tend to form solutions with a pH greater than 7.
Is caesium a metal?
Caesium is a soft, gold-coloured metal that is quickly attacked by air and reacts explosively in water. The most common use for caesium compounds is as a drilling fluid.
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