chemistry

Karl Andreas Hofmann

Karl Andreas Hofmann 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 Karl Andreas Hofmann rather than just read about it. In short: Karl Andreas Hofmann (2 April 1870 – 15 October 1940) was a German inorganic chemist. He is best known for his discovery of a family of clathrates which consist of a 2-D metal cyanide sheet, with every second metal also bound axially to two other ligands.

Key takeaways

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

Reference excerpt

Karl Andreas Hofmann (2 April 1870 – 15 October 1940) was a German inorganic chemist. He is best known for his discovery of a family of clathrates which consist of a 2-D metal cyanide sheet, with every second metal also bound axially to two other ligands. These materials have been named 'Hofmann clathrates' in his honour.

Works Lehrbuch der Anorganischen Chemie . Vieweg, Braunschweig 2nd ed. 1919 Digital edition by the University and State Library Düsseldorf

References

Worked examples

Example 1 — a first encounter with Karl Andreas Hofmann

Start with the simplest possible case. Write down what Karl Andreas Hofmann 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 Karl Andreas Hofmann 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 Karl Andreas Hofmann 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 Karl Andreas Hofmann

In research: Karl Andreas Hofmann 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 Karl Andreas Hofmann 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: Karl Andreas Hofmann is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1870 births, 1940 deaths, 19th-century German chemists, so understanding it makes those chapters shorter.
In everyday life: Look for Karl Andreas Hofmann 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.

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Karl Andreas Hofmann in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Karl Andreas Hofmann 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 Karl Andreas Hofmann out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Karl Andreas Hofmann in simple terms?

Why does Karl Andreas Hofmann 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 Karl Andreas Hofmann?

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 Karl Andreas Hofmann.