Complications. 1  Water insoluble compounds should be dissolved in ethanol, methanol, or acetone. 2  Often, the brown precipitate fails to form and the solution turns reddish-brown. 3  Easily oxidized compounds give a positive test: a) Most aldehydes give a positive test. 4  Alcohols with trace impurities give a positive test.
Palmetto Trail. The Palmetto Trail is a planned 425-mile-long (684 km) foot and mountain bike trail in South Carolina for recreational hiking and biking. Several of the sections are also equestrian trails. It will extend from the Oconee County mountains to the Intracoastal Waterway in Charleston County.
Pacific Crest Bicycle Trail. The Pacific Crest Bicycle Trail (PCBT) is a 2,500-mile-long, road-based bicycle touring route from Vancouver, British Columbia, Canada to Tijuana, Baja California, Mexico. It was designed to closely parallel the Pacific Crest Trail and the two trails cross 27 times as they pass through the states of Washington, Oregon, and California.