An Aldehyde is an organic compound containing a terminal carbonyl group. This functional group, which consists of a carbon atom which is bonded to a hydrogen atom and double-bonded to an oxygen atom (chemical formula O=CH-), is called the aldehyde group.
Berchtesgaden-a town in Bavaria The town of Berchtesgaden is located near Hitler's Eagle's Nest (Kehlsteinhaus) and can be easily reached by train; there are several hotels and it is an inexpensive place for tourists to stay overnight.
The Berghof was Adolf Hitler's home in the Obersalzberg of the Bavarian Alps near Berchtesgaden, Bavaria, Germany. Other than the Wolfsschanze (Wolf's Lair), his headquarters in East Prussia for the invasion of the Soviet Union, Hitler spent more time at the Berghof than anywhere else during World War II.