An unknown hydrocarbon A with the formula C6H12 reacts with 1 molar equivalent of H2 over a palladium catalyst. Hydrocarbon A also reacts with OsO4 to give diol B. When oxidized with KMnO4 in acidic solution, A gives two fragments. One fragment is propanoic acid, CH3CH2CO2H, and the other fragment is ketone C. What are the structures of A, B, and C? Write all reactions and show your reasoning.

Aspirin, or 2-acetoxybenzoic acid, (C9H8O4) is often synthesised from salicylic acid.(i) Sketch and discuss any changes in the number of possible structural conformations ofaspirin relative to those of salicylic acid. (ii) Re-draw the structure predicted to be the lowest energy conformation of aspirin,indicating any expected stabilising and destabilising interactions. Justify your choice.

In an advanced synthetic chemistry experiment, a researcher prepares a compound, ZY-7, by reacting a ketone (C5H100) with hydroxylamine (NH2OH), followed by heating in the presence of an acid catalyst. The resulting compound, ZY-7, is then treated with a solution of sodium nitrite (NaNO2) and hydrochloric acid (HCI) at low temperature. Identify the class of compound that ZY-7 most likely belongs to after this series of reactions." A) Amide B) Oxime C) Nitro compound D) Diazonium salt E) Ester Don't use chatgpt please provide valuable answer

Compound W has molecular formula C₁4H18 and reacts with H₂ to form X. Oxidative cleavage of W with O3 followed by CH3 SCH3 affords Y. What is the structure of W?