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Study of Organic reactions (CAT#: STEM-AC-0061-WXH)

Introduction

Organic reactions are chemical reactions involving organic compounds. The basic organic chemistry reaction types are addition reactions, elimination reactions, substitution reactions, pericyclic reactions, rearrangement reactions, photochemical reactions and redox reactions.
Many classic organic reactions, e.g. nucleophilic substitution on aromatic hydrocarbons. proceed via rapidly formed reaction intermediates. The kinetics of the formation of stable analogues of such intermediates, e.g. Meisenheimer complexes for nucleophilic aromatic substitution, has been studied, and new light shed on the reaction mechanism




Principle

The temperature jump method is a technique used in chemical kinetics for the measurement of very rapid reaction rates.
The T-Jump technique provides a means to follow fast reactions with half-lives of just a few microseconds. The reaction volume is prepared so that it is in equilibrium and then rapidly perturbed by a rapid change in temperature. There is a new equilibrium constant at the higher temperature, but the initial concentrations are balanced for the lower temperature. The system therefore relaxes and the reaction proceeds until the concentrations have reached their new equilibrium values.

Applications

Used in chemical kinetics for the measurement of very rapid reaction rates

Materials

Temperature Jump System

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