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.
To this day, many Americans are confused by the names Berghof and Eagle's Nest, which are two separate places. The Berghof was located on a plateau called the Obersalzberg which is on the route to the top of the Kehlstein, the mountain where Hitler's tea house, called the Eagle's Nest, was built in 1938.