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When you increase the oxidation state of C, the number of C=O bonds ____ and the number of C-H bonds _____
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When you decrease the oxidation state of C, the number of C=O bonds ____ and the number of C-H bonds _____
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Chromic acid reduces a primary alcohol to ____ and a secondary alcohol to ____
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Chromic acid oxidation reaction reagents
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What is the difference between chromic acid and PCC in oxidizing a primary alcohol?
Chromic acid makes the corresponding acid, PCC makes an aldehyde
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What is the difference between chromic acid and PCC in oxidizing a secondary alcohol?
There is none, they both make a ketone
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What are the reaction conditions for PCC?
PCC --> NH+ in a ring, CrO3, Cl-
CH2Cl2
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What reagent does chromic acid have that PCC does not?
Water
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What is the difference between Potassium permanganate and chromic acid?
They perform the same reactions, but chromic acid is more selective
- Ex: 1 alcohol --> acid
- 2 alcohol --> ketone
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Why do tertiary alcohols not react with chromic acid?
There is not hydrogen to be attacked
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