Compound X with a molecular formula of C₆H₁₂O can be formed from 2-ethyl-1-butanol. Compound X is also easily oxidized to yield a carboxylic acid. Using this information, determine the condensed structural formula of Compound X and provide its IUPAC name.

Determine whether the compounds shown below will react with the following reagents: (1) Tollen's reagent; and (2) Benedict's reagent.

i.

ii. 4-methylcyclohexanone

iii. butanal

Provide two simple chemical tests that will differentiate acetaldehyde and acetic acid.

Choose the compound/s that will yield a positive result when subjected to Tollens' test. 

i. 3-methylbutanal 

ii. cyclopropanol 

iii. dimethyl ether