Which of the following three isomeric alcohols, 2,2-dimethyl-1-butanol, 2-methyl-2-pentanol, and 2-methyl-3-pentanol, are chiral?
A) Only 2,2-dimethyl-1-butanol.
B) Only 2-methyl-3-pentanol.
C) Both 2,2-dimethyl-1-butanol and 2-methyl-3-pentanol.
D) Both 2-methyl-2-pentanol and 2-methyl-3-pentanol.
B
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During the holiday seasons, we tend to produce more waste. For example, we discard more wrapping paper, cards, and shopping bags. Moreover, according to the EPA, each year over 30 million live Christmas trees are sold in North America. Suggest at least five ways to reduce waste at holiday time.
What will be an ideal response?
The molecular structure of water has an asymmetrical arrangement of hydrogen atoms, causing
A) the hydrogen side of the water molecule to have a positive charge. B) the hydrogen side of the water molecule to have a negative charge. C) the oxygen side of the water molecule to have a positive charge. D) the overall charge of the water molecule to be neutral.
Which layers of the atmosphere are examples of temperature inversions?
A) stratosphere and thermosphere B) troposphere and mesosphere C) troposphere and stratosphere D) mesosphere and thermosphere E) stratosphere and mesosphere
Contact metamorphism occurs as a result of
A. severe folding and faulting. B. very high pressure. C. magma. D. chemical contact with limestone.