chemistry

Tetrabutylammonium tribromide

Tetrabutylammonium tribromide 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 Tetrabutylammonium tribromide rather than just read about it. In short: Tetrabutylammonium tribromide, abbreviated to TBATB, is a pale orange solid with the formula [N(C4H9)4]Br3. It is a salt of the lipophilic tetrabutylammonium cation and the linear tribromide anion.

Key takeaways

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

Reference excerpt

Tetrabutylammonium tribromide, abbreviated to TBATB, is a pale orange solid with the formula [N(C4H9)4]Br3. It is a salt of the lipophilic tetrabutylammonium cation and the linear tribromide anion. The salt is sometimes used as a reagent used in organic synthesis as a conveniently weighable, solid source of bromine.

Preparation The compound is prepared by treatment of solid tetra-n-butylammonium bromide with bromine vapor:

[N(C4H9)4]Br + Br2 → [N(C4H9)4]Br3 Instead of bromine, tetra-n-butylammonium bromide can also be reacted with vanadium pentoxide and aqueous hydrogen peroxide, or alternatively with ceric ammonium nitrate.

See also Tribromide Tetrabutylammonium triiodide

References

Illustrations

Worked examples

Example 1 — a first encounter with Tetrabutylammonium tribromide

Start with the simplest possible case. Write down what Tetrabutylammonium tribromide 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 Tetrabutylammonium tribromide 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 Tetrabutylammonium tribromide 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 Tetrabutylammonium tribromide

In research: Tetrabutylammonium tribromide 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 Tetrabutylammonium tribromide 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: Tetrabutylammonium tribromide is common in secondary-school and first-year university syllabi. It links to neighbouring topics Organic compound stubs, Polyhalides, Reagents for organic chemistry, so understanding it makes those chapters shorter.
In everyday life: Look for Tetrabutylammonium tribromide 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 Tetrabutylammonium tribromide in 20 minutes

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

Frequently asked questions

What is Tetrabutylammonium tribromide in simple terms?

Tetrabutylammonium tribromide, abbreviated to TBATB, is a pale orange solid with the formula [N(C4H9)4]Br3. It is a salt of the lipophilic tetrabutylammonium cation and the linear tribromide anion.

Why does Tetrabutylammonium tribromide 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 Tetrabutylammonium tribromide?

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 Tetrabutylammonium tribromide.