Phosphine

How would you synthesize Phosphine? There are a number of methods but I would like to know the preferred choice. thanks

Ketone Nomenclature

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Ketone Nomenclature

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Molecule Density

How do you rank these?

Reaction of Carbonyl Group With Thiol

I can't find this kind of reaction in my textbook.

Ether that has a dicarboxylic acid grop mixed with KMnO4

How do you do this kind of problem?

Aldehyde + NaHSO3

What is the reaction mechanism?

structures of compounds

Please see the attached files for full problem descriptions.

What is the mechanism of reaction?

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Reaction Mechanism.

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