chemistry

Otto Unverdorben

Otto Unverdorben is a chemistry topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Otto Unverdorben rather than just read about it. In short: Otto Unverdorben (13 October 1806 – 28 November 1873) was a German chemist and merchant who was born in Dahme/Mark. After completing his schooling in Dresden, he studied chemistry at Halle, Leipzig and Berlin.

Key takeaways

Otto Unverdorben belongs to chemistry; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Otto Unverdorben to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Otto Unverdorben from memory before moving on to harder problems.

Reference excerpt

Otto Unverdorben (13 October 1806 – 28 November 1873) was a German chemist and merchant who was born in Dahme/Mark. After completing his schooling in Dresden, he studied chemistry at Halle, Leipzig and Berlin. In 1826 at the age of 20, Unverdorben discovered aniline, which he obtained from the distillation of natural vegetable indigo. He called his discovery Crystallin. Aniline is important in the manufacture of dyes, plastics, and pharmaceuticals. In 1829 he returned to his hometown of Dahme/Mark and became successful in the cigar industry. Today the Otto-Unverdorben Dahme-Oberschule is named in his honor.

References Otto Unverdorben (1826). "Ueber das Verhalten der organischen Körper in höheren Temperaturen". Annalen der Physik. 8 (11): 397–410. Bibcode:1826AnP....84..397U. doi:10.1002/andp.18260841109. Biography from the Otto Unverdorben school wikisource: Allgemeine Deutsche Biographie Otto Unverdorben Schelenz, Hermann (1921). "Otto Unverdorben, der Anilinentdecker". Zeitschrift für Angewandte Chemie. 34 (7): 31–32. Bibcode:1921AngCh..34...31S. doi:10.1002/ange.19210340703. Baumgertel, H (1990). "Otto Unverdorben--a successful scientist from Niederlausitz". Die Pharmazie. 45 (2): 133–4. PMID 2187205. Bugge, G. (1943). "Otto Unverdorben aus Dahme, der Finder des Anilins und Rohnikotins. Von M. Wald. 4. Aufl. (8. Flämingheft.) 24 S., 6 Abb., Selbstverlag, 1941. Pr. RM. 0,40". Die Chemie. 56 (39–40): 279. Bibcode:1943AngCh..56R.279B. doi:10.1002/ange.19430563924. "Herr der Farben" (in German). Deutschland Radio. This article is based on a translation of an article from the German Wikipedia.

Illustrations

Worked examples

Example 1 — a first encounter with Otto Unverdorben

Start with the simplest possible case. Write down what Otto Unverdorben claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In chemistry, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Otto Unverdorben before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Otto Unverdorben ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Otto Unverdorben

In research: Otto Unverdorben appears in chemistry research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Otto Unverdorben in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Otto Unverdorben is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1806 births, 1873 deaths, 19th-century German chemists, so understanding it makes those chapters shorter.
In everyday life: Look for Otto Unverdorben outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Otto Unverdorben in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Otto Unverdorben means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Otto Unverdorben out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Otto Unverdorben in simple terms?

Why does Otto Unverdorben matter?

Because it connects several chemistry ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Otto Unverdorben?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Otto Unverdorben.