Tag Archives: organic chemistry

Best Leaving Group in Substitution

Which is the best leaving group in a substitution reaction of an alkyl halide from the following choices?

Loading ... Loading ...

Subscribe below to receive the DAT Question of the Day delivered straight to your inbox every morning.




Stereoisomers of Quinine

Quinine is well-known antimalarial drug from the bark of the cinchona tree. In principle, how many stereoisomers of quinine are possible?

Loading ... Loading ...

Subscribe below to get the DAT Question of the Day delivered straight to your inbox every morning.




Heating of Beta-Keto Carboxylic Acids

The addition of heat and acid to 2-oxocyclopentanecarboxylic acid produces:

Loading ... Loading ...

Subscribe below to receive the DAT Question of the Day delivered straight to your inbox every morning.




Methods of Extraction

Methods of extraction are important for use in industry and research. One of the typical steps in an extraction is the use of either acid or base to treat an unknown mixture. This step is applied in order to:

Loading ... Loading ...

Subscribe below to receive the DAT Question of the Day delivered straight to your inbox every morning.




How Many Pi Bonds

Dynemicin A (pictured), a potent anti-tumor antibiotic produced by Micromonosporachernisa, is a potential lead compound in anti-cancer research. How many pi (π) bonds does Dynemicin A possess?

Loading ... Loading ...

Subscribe below to get the DAT Question of the Day delivered straight to your inbox every morning.




The Major Product

What is the major product of the following reaction?

Loading ... Loading ...

Subscribe below to get the DAT Question of the Day delivered straight to your inbox every morning.




What Reagent

What reagent can be used to convert 2,2-dimethylbutan-1-ol into 2,2-dimethylbutanal?

Loading ... Loading ...

Subscribe below to receive the DAT Question of the Day delivered straight to your inbox every morning.




Gestrinone

Gestrinone is a synthetic steroid hormone that is marketed as a treatment for endometriosis. What is the index of hydrogen deficiency (IHD)–or degree of unsaturation–for gestrinone?

Loading ... Loading ...

Subscribe below to receive the DAT Question of the Day delivered straight to your inbox every morning.




Reaction of Alkenes

Which one of the following reactions of alkenes does the Anti-Markovnikov’s rule apply instead of Markovnikov’s rule?

Loading ... Loading ...

Subscribe below to receive the DAT Question of the Day delivered straight to your inbox every morning.




Electronic Transitions

The absorption of what type of electromagnetic radiation results in electronic transitions?

Loading ... Loading ...

Subscribe below to receive the DAT Question of the Day delivered straight to your inbox every morning.




Photo attributed to melburnian.