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Which set of reagents would most likely bring about the following transformation?

Provide the reagents necessary to carry out the following conversion.  

What is the correct assignment of the names of the following functional groups?

Using IR spectroscopy, how can you tell the difference between a ketone and an aldehyde?

What product will result from the reaction shown?

Bonus question Provide a stepwise synthesis for the following.        he answer should be entered as in the following example: (this is an example!) 1. NaNH2   2. CH3CH2Br   3. H2, Lindlar’s Cat.    4. BH3, THF   5. H2O2, NaOH                          (Keep three spaces between each step) All chemicals and reagents  structures should be correct and with the proper sequence. No partial credit.

An ylide is a molecule that can be described as a ________.

Which one of the following compounds will be least reactive towards a Friedel-Crafts reaction?

The compound shown below can form a hemiacetal by reacting with itself in an acidic solution.What is the structure of this hemiacetal?

Rank the following compounds in order of increasing reactivity towards chlorination with Cl2/AlCl3 (slowest reacting to fastest).