What is the degree of unsaturation for a compound with formula C23H38?

The IUPAC names of the products formed are: Product Designation IUPAC Name Product formed after the FIRST step of the synthetic pathway Product formed after the SECOND step of the synthetic pathway Product formed after the THIRD step of the synthetic pathway

What is the major product in the following reaction? 

The reaction AS A WHOLE can be classifies as:

For the Reactant and Products 1, 3 & 4: A. Identify the TYPE of the oraganic compound. B. Select the BEST possible IUPAC names of the oraganic compound.   Organic Compound TYPE of compound BEST IUPAC Name Reactant Product 1 Product 3 Product 4

Rank the following from LEAST STABLE to MOST STABLE.  (least stable first).

Reagent for the THIRD step in the SYNTHETIC pathway is:

The reagent for this reaction is:

Which reactants are needed to complete the following reaction? 

The IUPAC names of the products formed are: Product Designation IUPAC Name Product formed after the FIRST step of the synthetic pathway Product formed after the THIRD step of the synthetic pathway Product formed after the FOURTH step of the synthetic pathway