Which of the following molecules can exist as cis-trans isomers?
A) 1-ethyl-2-methylcyclohexane
B) 1-ethyl-1-methylcyclohexane
C) both a and b
D) neither a nor b
A
You might also like to view...
An overall average rate of soil formation might be about ____ per century
A)2.5 cm B)25 cm C)2.5 m D)25 m E)250 m
________ are fossil fuel deposits that are slightly too costly to be produced at the present time
A) Marginal reserves B) Subeconomic resources C) Suboptimal reserves D) Recoverable reserves
This stage of the epidemiological transition describes a reduced mortality associated with infectious diseases and an increase in chronic disorders associated with aging
A) Stage 1 B) Stage 2 C) Stage 3 D) Stage 4 E) Stage 5
The ____ jet is known to show seasonal variations. In winter, the winds are stronger and the jet moves farther south as the leading edge of the cold air can extend into subtropical regions, as far south as Florida and Mexico. In summer, the jet is weaker and is usually found over more northerly latitudes
a. subtropical b. tropical easterly c. low-level d. polar-front e. nocturnal