imide

Amide but with one more carbonyl group. It is not basic and if the nitrogen is bonded to H, even sodium hydroxide can deprotonate it.

Imides have very low pKa values, and is not basic at all.

by chemguide August 10, 2019

The dose makes the poison

Everything in the world is harmful if in large amounts, and this includes all-natural fruits, water, etc. , because the dose (amount) makes the poison (lethal).

Ad: "No artificial sweeteners, all-natural! Detox drink"
Me: "The dose makes the poison, do you know that everything can be toxic?"

by chemguide August 11, 2019

Aromatic compound

some kind of compounds containing conjugated double bonds, like benzene.

According to Huckel's rule, aromatic compound needs following properties:
-The structure is planar (no sp3 carbons)
-There is a cyclic ring in the structure
-Has 4n+2 electrons in the pi system

by chemguide August 12, 2019

aldehyde

A class of organic compound with the formula of R CHO, with the R being an organic functional group.

The most common aldehyde is formaldehyde, but the more complex ones, such as benzaldehyde, is found in almond oil.

by chemguide August 10, 2019

paraxanthine

a derivative of xanthine with 2 methyl groups replacing it. It is structurally similar to theobromine and caffeine, just the difference of methyl groups.

Caffeine is changed to 84% paraxanthine, 12% theobromine and 4% theophylline.

by chemguide August 10, 2019

Anode

The negative electrode of a battery where things loses electrons.

In the electrolysis of water, the anode produces oxygen.

by chemguide August 05, 2019

theophylline

A dimethyl derivative of xanthine, structurally similar to theobromine.

Theophylline is used in therapy for respiratory diseases.

by chemguide August 11, 2019