ALL the -OH groups are of a single orientation as shown in the molecule. What is that orientation?

Provide the IUPAC name for the starting material. What type of compound is the starting material?  

Sighting along the C2–C3 bond: identify the Newman projection of the most stable conformation. I II III IV

What is the hybridization of the N-atom?

What is the hybridization of C-atom in the carbonate ion?

How many resonance structures could the carbonate anion have?

Select the structure of the compound corresponding to the letter “P” in the reaction scheme.

Sighting along the C2–C3 bond: identify Newman projection of the least stable conformation: I II III IV

How many C-atoms are there in the molecule?

What is the relationship (cis – trans) between red/pink colored OH and black colored OH.