Hey, guys! You probably know the reaction where ammonia is oxidized by air oxygen
in the presence of red-hot chromium oxide,
when decomposed ammonium dichromate, in which chromium-three-oxide forms,
is placed in the ammonia atmosphere.
I became curious about what would happen, if liquid ammonia is poured onto red-hot particles
of chromium-three-oxide.
Ammonia doesn’t preserve burning and doesn’t burn itself in air, either. It can burn in an oxygen flow only.
Even the ammonia, that I passed through ozone in one of my previous videos, doesn’t burn.
I believe, somebody in the comments asked to add liquid oxygen to decomposing ammonium dichromate.
I really have no idea about what chemical reaction you expected to see.
Well, now let’s try to add a few drops of liquid ammonia to decomposing ammonium dichromate.
Now let’s try to add a few drops of liquid ammonia to the red-hot particles of chromium-three-oxide.
So, guys, is there really no way to set liquid ammonia on fire?
Well, there is! Please welcome,
potassium chlorochromate, the potassium salt of chlorochromic acid.
These orange crystals resemble potassium dichromate,
but, unlike the latter, they interreact with concentrated sulfuric acid in a way,
that they form not only Chromium trioxide, but also Chromyl chloride, that can set liquid ammonia on fire.
Let’s take a look at this reaction. I will use oleum instead of sulfuric acid.
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