Alkyl hydrogen atoms bonded to a carbon atom in a a (alpha) position relative to a carbonyl group display unusually high acidity.While the pK a values for alkyl C-H bonds is typically on the order of 40-50, pK a values for these alpha hydrogens is usually within the range of 19-20.lkyl hydrogen atoms bonded to a carbon atom in a a (alpha) position relative to a carbonyl group display unusually high acidity.
Adventures of Superman was the first television series featuring the comic book superhero Superman. The series, which was syndicated rather than being tied to a network, began filming in 1951, and was first aired on September 19, 1952. The final first-run episode was broadcast on April 28, 1958.
The Death of Superman  is a 1992 comic book storyline that occurred mostly in DC Comics ' Superman titles.The completed multi-issue story arc was given the title The Death and Return of Superman.he Death and Return of Superman storyline sold exceptionally well and, since it was intertwined through numerous different comic series (including Action Comics, Superman, Superman: The Man of Steel, and Adventures of Superman, among others), brought in millions of readers to DC Comics.