Which structure meets the following specifications: a cyclic alpha-hydroxy ketone with a formula of C₆H₁₀O₂?

What is the line structure of the following compound? Does it contain an aldehyde functional group or a ketone functional group?

What is the correct structure for the following ketone? 

1,1-dichlorohexan-2-one

What is the IUPAC name for the given ketone?

Which of the following structures represents a ketone with the longest chain of 5 carbon atoms and a chemical formula of C₇H₁₄O? What is its IUPAC name and common name?

Compound M is a secondary alcohol with a formula of C₄H₁₀O. Compound M can undergo dehydration by heating with a strong acid to produce compound N with a formula of C₄H₈. Compound M can also undergo oxidation to produce compound L with a formula of C₄H₈O. What are the IUPAC names and condensed structural formulas for the compounds M, N, and L?

Which of these is the condensed structural formula of ethyl propyl ketone?