The (2S)-2-chlorobutan-1-ol has the wrong answer for the chiral center config. I have found a few other mistakez. Review your material more. Otherwise good app.
Absolutely awesome aap. Helping us to keep in touch with the basic concepts of organic chemistry. It's very good to work out the problems on this aap 1/2 an hour daily
That is very good if you comute and you want to relax a bit
Very useful app for IIT-JEE variety of questions of various topics and there answer are also easily explained
Good Collection For IIT
Little bit development is need
Fixed premium question that crashed app