The major product of the following reaction is:

Which of the following compounds does not react with Tollen's reagent?

What is the enol form of acetone after reaction with $D_2O$?

Rank the following compounds in order of increasing value of the equilibrium constant for hydration,$K_{hyd}$. (smallest value first).
$1$: Cyclobutanone
$2$: Cyclopropanone
$3$: Di-tert-butyl ketone

Which of the following statements is false?

Compound $A$ $(C_3H_6O)$ undergoes the following reactions to form $B$ and $C$. Identify $A, B$ and $C$.