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Reagents & Transformations

Which reagents would carry out the following transformation?

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HNMR Identification

In proton NMR spectroscopy, which compounds or functional groups show a characteristic peak in the range 9-10 ppm?

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Lights, Camera, Reaction

What is the product of the following reaction?

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Achieving Configuration

When metallic substances lose electrons, they are trying to achieve the electron configuration of what?

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Pick Your Poison

Naturally occurring tartaric acid is found in the levo (L-) form (pictured below). If given a sample of optically pure tartaric acid of unknown isomeric form, which laboratory instrument or technique would you use to determine its identity?

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Buffer Buffoon

A student creates a 1M citrate (C3H5O(COO)33-) buffer solution at pH 5.0. He then dilutes the solution to 200 mM, and adds it to his experiment. What is the pH of the 200 mM buffer solution?

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The pH Value Is Right

Which set of 1 Molar solutions has the correct pH values?

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Phase Changes

Which opposite Phase Changes occur at the same temperature for a pure substance?

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Endpoint of a Titration

Which of the following is NOT needed to calculate the endpoint of a titration?

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Mass of the Gas

The density of an unknown gas under STP conditions is 3.17 g.L-1. What is the molecular mass of the gas?

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