Hey guys! The only way ammonia can burn in air is when it’s covered in flames of a blowtorch
And liquid ammonia can put out a fire singlehandedly
just for fun I wanted to try and put out a fire with liquid methane,
and the mosquito that was flying by didn’t expect the flame to be that so big
In order to make ammonia burn,
we need a higher oxygen concentration than that present in the air.
In this experiment, ammonia and oxygen mixture burns with a jet flame.
We’ll get a similar reaction with ozonated oxygen
as you can see, liquid ammonia gains yellow color as ozonated oxygen passes through a liquid ammonia layer
It happens due to ozone reacting with ammonia at low temperatures,
which results in the formation of ammonium ozonide that decomposes quickly when the temperature is increased
So, if we add liquid ammonia to liquid ozonated oxygen,
we’ll get the bright-red color corresponding to the formation of ammonium ozonide
Now, the first chemical which ability to ignite ammonia I was sure of is manganese heptoxide,
since many other reagents ignite on contact with it
Permanganyl fluoride, that forms by mixing fluorosulphonic acid and potassium permanganate,
reacts with ammonia in a similar way
Red - hot dichromium trioxide is a catalyst for the oxidation of ammonia by oxygen
Nothing’s happened here, because ammonia forced all the air out of the flask,
and we need oxygen for the reaction to take place
Let’s re-conduct the experiment in the presence of oxygen
Oxidation of ammonia by oxygen may also be caused by heated vanadium pentoxide
Chromyl chloride can ignite ammonia too
Take a look at this peculiar reaction
and give me your best guess in the comments
about what reagent formed as a result of chromium trioxide and liquid ammonia reaction
So guys, what compound did we get from the reaction?
Looking forward to your ideas in the comments!
A single spark initiates decomposition of this reagent,
and the decomposition itself, resembles mold spreading due to the mold-like color of the formed dichromium trioxide
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