Oxygen is mostly unreactive with
gold and platinum
. When an oxide reacts with water, a metal hydroxide is produced. Oxygen is very reactive with Alkali metals. Alkali metals are given the name alkali because the oxides of these metals react with water to form a metal hydroxide that is basic or alkaline.
Which metals are more reactive with oxygen?
Aluminium, potassium and sodium
have very high reactivity, and therefore exist as compounds in nature. One of the common compounds formed by metals is metal oxide. The formation of metal oxide is a redox reaction.
Which is more reactive sodium or oxygen?
Reactivity of Group 1 and 2 elements increases as you go down the periodic table. So
sodium is more reactive than lithium
. Sodium will react with oxygen forming Na2O (sodium oxide).
Which element is more reactive N or O?
oxygen
has more electonegativity than Nitrogen and has tendancy to make octal of 8 electron in outer cell more strongly . Oxygen is also having more oxidating properties. thus it is more reactive than Nitrogen.
Which metal is highly reactive to oxygen and water?
Answer:
Potassium
is the highly reactive metal.
What metal reacts with oxygen but not water?
Less reactive metals react with acids and oxygen, but not water, and include several transition metals such as
zinc, iron, and tin
.
What is the least reactive element?
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 helium, which has just two electrons.
Who is the most reactive element?
Cesium
is second from the bottom of this group, has 6 shells of electrons, and it matches the features of a reactive atom, making it the most reactive element.
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.
Is sodium or potassium more reactive?
Comparing Reactivity
Which is more reactive: sodium (Na) or
potassium
(K)? Answer: Potassium (K) is more reactive because it is further down in Group 1 than sodium (Na).
Is N2 more reactive than O2?
N2 is less reactive than O2
in most gaseous reactions because there is a strong triple bond between the atoms, all the valence electrons are in bonding orbitals, and more energy is needed to excite them.
Why nitrogen is less reactive than oxygen?
Atomic nitrogen and atomic oxygen don’t exist under “normal” conditions because each forms molecules N2 and O2. N2 is less reactive than O2 in most gaseous reactions because
there is a strong triple bond between the atoms
, all the valence electrons are in bonding orbitals, and more energy is needed to excite them.
Why is O more reactive than O2?
As there are no free electrons, it’s less reactive. – In O2+, one electron is deficient and 1 electron is present in antibonding orbital.
Because of free electron it
is more reactive than O2 molecule.
Which element is least reactive in oxygen?
Noble gases
are nonreactive, nonmetallic elements in group 18 of the periodic table. Noble gases are the least reactive of all elements. That’s because they have eight valence electrons, which fill their outer energy level.
Which metal is not reactive with acid and water?
Metals such as
lead, copper, silver and gold
do not react with water at all. 3.2. 3 What happens when Metals react with Acids? You have already learnt that metals react with acids to give a salt and hydrogen gas.
Which metal is the most reactive in dilute acid?
K is
most reactive
whereas Au is
least reactive
. 1)If a
metal
atom can lose electron easily to form positive ion,it will react rapidly with other substances and hence is a
reactive metal
.
