Examlex
Rank the species below in order of leaving group capabilities in SN2 reactions (worst leaving group to best):
CH3O-,H2O,C6H5SO3-,H2N-.
Antigen
Any substance that causes the immune system to produce antibodies against it, which includes pathogens, foreign blood cells, and some toxins.
Chemical Barrier
A defense mechanism or physical substance that prevents or reduces the risk of infection or damage by biological or chemical agents.
Tears
Liquid produced by tear glands to lubricate, clean, and protect the eye surface, and can also be a response to emotions.
Lymphatic System
A part of the immune system that includes lymph nodes, lymph vessels, and organs, responsible for transporting lymph and removing toxins from the body.
Q15: Give the major product for the following
Q18: Which of the following compounds is more
Q32: Give the product of the following reaction.
Q45: Fill in the missing reagents 2 and
Q46: Which of the following best describes the
Q49: Which of the following alcohols gives a
Q66: What is the kinetic product for the
Q73: Give the product of the following reaction.
Q120: In the S<sub>N</sub>1 hydrolysis mechanism of (CH<sub>3</sub>)<sub>3</sub>CBr,there
Q228: Which of the following alkyl bromides is