Assuming we are referring toBr2andCh2Cl2.Starting materialis 4-penton-1-ol. Thebromoniumion at C5 forms a carbocation at c4 and reacts with the free electrons of the OH group, while the second bromine atom is the other product HBr.Tetrahydrofuranis astable compoundwith a relatively low boiling point and excellent solvency. It is widely used for the dissolution and reaction of various substances. It is also used as a synthetic raw material for polytetramethylene ether glycol PTMG. Tetrahydrofuran can cause headaches, nausea, and dizziness. Very high exposure can cause unconsciousness and death. Tetrahydrofuran can damage the liver and kidneys. Tetrahydrofuran is a flammable liquid and a dangerous fire hazard.Learn more aboutTetrahydrofuranhere:-brainly.com/question/18485454#SPJ1...

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