What is hydrogen derivative?

-Compund that contains additional atoms other than carbon and hydrogen?

What is the common name for ethanol?
-grain alcohol?

Thanks.

For hydrogen derivative, scroll through the site below (about 1/3 the page down just under the first picture), where boron/hydrogen derivative is used.

http://www.hydrogencarsnow.com/hydrogen-on-demand.htm

Grain alcohol is a common term but there are others as you can see at this site.
http://en.wikipedia.org/wiki/Ethanol

I don't think I get the first one....

Also, can you reply my previous post question? What should I put instead of the word "primary"?
A [primary] alcohol has a hydroxyl group on the interior of the hydrocarbon chain.

Thank you!

#1. When the paper talks about sodium borohydride as a source for hydrogen, it states something like "so sodium borohydride or boron/hydrogen derivatives" which means that some other hydrogen compound beside a borohydride OR some other boron compound besides boron could be used to provide either the boron OR the hydrogen component of their technology.

For the second one, I don't remember the question; however, I think the word "secondary" goes there. A primary alcohol has the OH group on the end (CH3OH, CH3CH2OH, CH3CH2CH2CH2OH, etc. which can be written in general terms as RCH2OH) whereas a secondary alcohol has the OH group attached to an interior carbon (technically a secondary carbon) such as CH3CH(OH)CH3 (which I would write as a general term as RCH(OH)R' or R2CHOH). Is there more to the sentence? I ask because a tertiary alcohol also has an OH group on the interior (general formula is R3COH although it could be argued that this is on the outside, also.
The definitions are these:
A primary alcohol has the OH group on a primary carbon atom.
A secondary alcohol has the OH group on a secondary carbon atom.
A tertiary alcohol has the OH group on a tertiary alcohol.
I know none of that makes much sense unless we know a primary carbon, secondary carbon, and tertiary carbon. Those definitions are these.
A primary carbon atom has ONE other C atom attached.
A secondary carbon atom has TWO other C atoms attached.
A tertiary carbon atom has THREE other C atoms attached.
[Another definition I have seen, and in many respects it is easier to say because there is less verbiage, is this.
A primary carbon atom has two H atoms attached.
A secondary carbon atom has one H atom attached.
A tertiary carbon atoms has no H atoms attached. Note RCH2OH is a primary alcohol because the OH group is attached to a primary C atom (the one with two H atoms attached), R2CHOH is a secondary alcohol because the OH group is attached to a secondary carbon atom (the C with one H on it), and R3COH is a tertiary alcohol because the OH group is attached to a tertiary C atom (the C with no H atoms on it).

Note this typo.

A tertiary alcohol has the OH group on a tertiary alcohol.
should be,
A tertiary alcohol has the OH group on a tertiary carbon atom.

Oh, thank you very much :)

There is no more to the sentence...

Anyway, thanks for your definitions.

1. Hydrogen derivative refers to a compound that contains hydrogen atoms bonded to other atoms, such as oxygen, nitrogen, or sulfur. In other words, it is a compound that is derived from hydrogen by replacing one or more hydrogen atoms with other atoms.

To determine if a compound is a hydrogen derivative, you can examine its chemical formula. If the compound contains atoms other than carbon and hydrogen, it can be considered a hydrogen derivative.

2. The common name for ethanol is indeed "grain alcohol." Ethanol is a type of alcohol that is commonly produced by the fermentation of sugars, typically derived from grains like corn or barley. It is widely used as a solvent, antiseptic, fuel, and recreational drug.

If you ever encounter a compound and want to know its common name, you can refer to chemical databases, textbooks, or reputable online sources. Additionally, common names can vary across different regions or industries, so it's always a good idea to double-check with reliable sources.