What kind of reactions do aldehydes and ketones undergo?

Predict the product, when pentanal reacts with CH3NH2 in the presence of an acid catalyst.

What is the product of the reaction sequence below?

Predict the product, when 4-methyl-2-hexanone reacts with methylamine in the presence of an acid catalyst.

Provide the reagents necessary to carry out the following conversion. 

Predict the product, when cyclopentanecarbaldehyde reacts with phenylhydrazine (PhNHNH2) in the presence of an acid catalyst.

Which of the following is the best choice to prepare the following alkene using the Wittig reaction?  

What is (are) the product(s) of the following reaction?   

Which of the following is the kinetic rate equation for the addition-elimination mechanism of nucleophilic aromatic substitution?

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.