chemistry

Warren Roper (chemist)

Warren Roper (chemist) 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 Warren Roper (chemist) rather than just read about it. In short: Warren Richard Roper FRS FRSNZ FNZIC (born 1938) is a New Zealand chemist and Emeritus Professor at the University of Auckland. Roper was educated at Nelson College from 1952 to 1956, and was dux in his final year.

Key takeaways

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

Reference excerpt

Warren Richard Roper FRS FRSNZ FNZIC (born 1938) is a New Zealand chemist and Emeritus Professor at the University of Auckland. Roper was educated at Nelson College from 1952 to 1956, and was dux in his final year. He then studied chemistry at the University of Canterbury, and undertook his PhD under the supervision of CJ Wilkins. He completed his PhD in 1963, and spent three years undertaking postdoctoral research at the University of North Carolina in the United States before returning to New Zealand. At that point Roper was appointed as lecturer at the University of Auckland, where he remained until his retirement (apart from visiting lectureships at other institutions). He mentored several notable students, including Anthony Hill and Penelope Brothers.

Scholarship Roper's research has focused on synthetic and structural organometallic chemistry, and particularly compounds with metal-carbon, -silicon, -tin or -boron bonds. As his postdoctoral research group had an interest in Vaska's complex, Roper too developed a program on M-PPh3-CO complexes of the platinum metals. A recurring themes of the work was the reactivity of coordinated ligands, especially simple ligands. These ligands included dichlorocarbene, carbonyl sulfide, carbonyl selenide, and carbonyl telluride, and PH2. Prior to his work, metal carbene complexes were restricted to early metals. Roper greatly expanded the scope of carbene ligands with his preparation of Os(CH2)(NO)(Cl)(PPh3)2.

Recognition He was made a fellow of the Royal Society of New Zealand (RSNZ) in 1984, and a fellow of the Royal Society in 1989. The RSNZ awarded Roper the Hector Memorial Medal in 1991. He gave a valedictory address at the 2006 New Zealand Institute of Chemistry Conference in honour of his retirement.

Selected publications Irvine, Geoffrey J., MJ Gerald Lesley, Todd B. Marder, Nicholas C. Norman, Craig R. Rice, Edward G. Robins, Warren R. Roper, George R. Whittell, and L. James Wright. "Transition metal− boryl compounds: synthesis, reactivity, and structure." Chemical reviews 98, no. 8 (1998): 2685–2722. Gallop, Mark A., and Warren R. Roper. "Carbene and carbyne complexes of ruthenium, osmium, and iridium." Adv. Organomet. Chem 25 (1986): 121–198. Brothers, Penelope J., and Warren R. Roper. "Transition-metal dihalocarbene complexes." Chemical Reviews 88, no. 7 (1988): 1293–1326.

References

Worked examples

Example 1 — a first encounter with Warren Roper (chemist)

Start with the simplest possible case. Write down what Warren Roper (chemist) 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 Warren Roper (chemist) 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 Warren Roper (chemist) 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 Warren Roper (chemist)

In research: Warren Roper (chemist) 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 Warren Roper (chemist) 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: Warren Roper (chemist) is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1938 births, 20th-century New Zealand chemists, 21st-century New Zealand chemists, so understanding it makes those chapters shorter.
In everyday life: Look for Warren Roper (chemist) 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 Warren Roper (chemist) in 20 minutes

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

Frequently asked questions

What is Warren Roper (chemist) in simple terms?

Why does Warren Roper (chemist) 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 Warren Roper (chemist)?

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 Warren Roper (chemist).