Preparing for your ACS examination in general chemistry
Preparing for your ACS examination in general chemistry
98th Edition
ISBN: 9780970804204
Author: Lucy T Eubanks
Publisher: ACS DIVCHED EXAMINATIONS INST.
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Chapter ER, Problem 3PQ
Interpretation Introduction

Interpretation:

The oxidation number of chromium in Na2Cr2O7 has to be given.

Concept Introduction:

Oxidation number:

The oxidation of an atom is the charge that atom would have if the compound was composed of ions.  The oxidation number of an atom depends on the other atoms in the substance. For example,

  • In KCl the oxidation number of Cl is 0.
  • In Cl, the oxidation number of Cl is -1.

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1. Show the steps necessary to make 2-methyl-4-nonene using a Wittig reaction. Start with triphenylphosphine and an alkyl halide. After that you may use any other organic or inorganic reagents. 2. Write in the product of this reaction: CH3 CH₂ (C6H5)₂CuLi H₂O+
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