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.
Batman is an ongoing comic book series featuring the DC Comics hero of the same name. The character first appeared in Detective Comics #27 (cover dated May 1939).Batman proved to be so popular that a self-titled ongoing comic book series began publication in the spring of 1940. It was first advertised in early April 1940, one month after the first appearance of his new sidekick, Robin, the Boy Wonder.he character of Batman made his first appearance in the pages of Detective Comics #27 in May 1939. In Spring of 1940, Batman #1 was published and introduced new characters into Batman's pantheon, most notably those of Catwoman and Batman's eventual nemesis, the Joker.