Question 1
How many five ringed membered isomers are there of dimethyl cyclopentane?
3
4
5
6
How many five ringed membered isomers are there of dimethyl cyclopentane?
3
4
5
6
Which structure is the correct cis trans isomer of trans-1,2-dibromocyclobutane?
Which molecule has a chiral centre?
CH3OCH2CH3
CH3CH2CHO
CH3CH(NH2)CH3
CH3CH(OH)CH2CH3
Which of the following statements is correct?
I. 2-bromo-1-chloro-1-fluoropropene can not be classed as a cis or trans isomer
II. A polarimeter measures the configuration of a molecule as R or S
III. Conformational isomers occur due to the free rotation about a single σ-bond
I and II only
I and III only
II and III only
I, II and III
Arthrinin-F is a compound isolated from fungus.
What is the correct number of chiral carbons in the structure?
2
3
4
5