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Organophosphate: Quiz


Question 1: Phosphates are probably the most pervasive ________.
Organoboron chemistryOrganoselenium chemistryOrganophosphorusOrganocopper compound

Question 2: Their ability to degrade made them an attractive alternative to the persistent organochloride pesticides, such as ________, aldrin and dieldrin.

Question 3: Thiophosphoryl compounds, those bearing the P=S functionality, are much less toxic than related phosphoryl derivatives, which include ________, VX and tetraethyl pyrophosphate.
SarinTabun (nerve agent)3-Quinuclidinyl benzilateCyclosarin

Question 4: A terminal ________ connected to phosphorus by a double bond, i.e.

Question 5: The popularity of these insecticides increased after many of the organochlorine insecticides like ________, dieldrin, and heptachlor were banned in the 1970s.

Question 6: Neurotransmitters such as ________ (which is affected by organophosphate pesticides) are profoundly important in the brain's development, and many OPs have neurotoxic effects on developing organisms, even from low levels of exposure.
KetamineDextromethorphanKynurenic acidAcetylcholine

Question 7: An organophosphate (sometimes abbreviated OP) is the general name for ________ of phosphoric acid.
Carboxylic acidAlkaneAlcoholEster

Question 8: Many of the most important biochemicals are organophosphates, including ________ and RNA as well as many cofactors that are essential for life.

Question 9: Being a triprotic acid, phosphoric acid can form tri________ whereas carboxylic acids only form monoesters.
EsterAlkaneFunctional groupAlcohol

Question 10: Organophosphates are also the basis of many insecticides, ________, and nerve gases.
2,4,5-Trichlorophenoxyacetic acidGlyphosateHerbicide2,4-Dichlorophenoxyacetic acid


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