Multiple choice The reagent used as a lachrymatory agent for chemical warfare is Ethyl 2-bromoacetate Ethyl chloroformate Ethyl diazoacetate Benzyl chloroformate Reveal answer Fill a bubble to check yourself A Correct answer Explanation Ethyl 2-bromoacetate is the ethyl ester of bromoacetic acid. It is used as a lachrymatory agent and tear gas agent for chemical warfare.