Difference between organic and inorganic chemistry

21 Aug.,2023

 

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What is the definition of organic compounds?

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3 years ago

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This question may seem vague at a first glance, and even lead to the thought: "come on, just go Google it!"

But it's a real question because it does not make enough sense to me (even after Googling it, a lot).

I was just presented to the words, but not to their definition.

Like: "Hey, now we will speak about organic nomenclature".

At some point, books and videos start talking about inorganic and organic as if it was a common sense thing.

A frequent rule I found while trying to understand the difference:

  • Organic: has carbon
  • Inorganic: does not have carbon

But then, some inorganic compounds do have carbon too, and there may even be some compounds that some call organic, and others call inorganic, like $CO_2$.

As I have felt it, in my learnings so far, it's like inorganic chemistry is the default chemistry and organic chemistry goes a step beyond.

But I don't quite grasp the difference.

What is the real semantics behind the word "organic"?

For example, we humans are made of loads of water, and that's a pretty organic thing to me. But then, water is inorganic.

Diamonds are the carbon top of the cake, and do not transmit the idea of being an "organic" thing.

Another very confusing thing are polymers, chanins of loads of carbons with other elements, in many shapes and textures. To me, a piece of "plastic" is not a very organic thing, but indeed, they are!

That brings the semantics into an even more confusing level.

And of course, there must be historical reasons for those chosen words.

Could someone please point out where this distinction comes from and why it is important?

With all my respect to science and the people who made chemistry a useful thing. This question is not about critics, it's about not knowing the facts, so of course I am the ignorant here.

Related and useful: What is the definition of organic compounds?

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