Synthetic Inorganic Chemistry: A Course of Laboratory and Classroom Study for First Year College Students (Classic Reprint) - Hardcover

Arthur A Blanchard

9780266385776: Synthetic Inorganic Chemistry: A Course of Laboratory and Classroom Study for First Year College Students (Classic Reprint)

Hardcover

ISBN 10: 026638577X ISBN 13: 9780266385776

Publisher: Forgotten Books, 2018

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Excerpt from Synthetic Inorganic Chemistry: A Course of Laboratory and Classroom Study for First Year College Students

This series of notes was designed to serve as a guide for labora tory work and study in Inorganic Chemistry during the second term of the first year at the Massachusetts Institute of Technol ogy. It had been felt for some time that Qualitative Analysis, which was previously made the basis for laboratory practice during that period, did not fully meet the requirements and that a course based upon the preparation of typical chemical substances might prove more satisfactory. In consequence, notes in essentially the form now published were prepared during the year 1906 - 07, they being the direct outcome of several years' previous trial of a limited amount of preparation work. The present book is a thorough revision of those notes in the light of experience in their actual application.

During the first term's study of chemistry there can be little doubt that a course of simple experiments, such as has long been in use, in the methods Of formation and in the study of the prop erties of the non-metallic elements oxygen, hydrogen, the halo gens, sulphur, nitrogen, and carbon - and their compounds, is the most satisfactory. But when it comes to the study of the metallic elements, three Options as to laboratory work present themselves: First, a continuation of experiments similar in nature to those of the first term; second, Qualitative Analysis; third, Preparation Work. The disadvantages of the first plan are that the experiments are so quickly performed and so alike in charac ter that they fail to arouse much enthusiasm in the student or to leave very vivid impressions on his mind. Qualitative analysis is in many ways a most excellent basis for teaching the chemistry of the metallic elements; but its chief disadvantages are: First, that it is one-sided, it dealing as it does almost exclusively with the chemistry of solutions and the formation of highly insoluble substances; second, that it requires the sequence followed in the lectures to be that of the qualitative procedure instead of a more natural one based on the periodic classification; and third, that it is well-nigh impossible to keep from the student's mind the false idea that the end and aim of qualitative analysis is principally to get the unknowns correct.

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