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In what ways does this Diels-Alder reaction better exhibit the principles of Gre

ID: 1029356 • Letter: I

Question

In what ways does this Diels-Alder reaction better exhibit the principles of Green Chemistry than the Grignard experiment?

a. The Diels-Alder is solvent-less, and the Grignard required ether as the solvent.

b. The Diels-Alder product conserves every atom present in the reagents, whereas the Grignard does not.

c. The Diels-Alder uses maleic anhydride, which by definition has no water and therefore less water waste is generated. The Grignard, conversely, generated a lot of water waste.

d. The Diels-Alder uses alkenes which are highly flammable and reduces their flammability by forming a six-membered ring.

Explanation / Answer

options  a , b ,c

Green chemistry prefers

i)prevention of waste

ii) atom economy

iii)less hazardous chemicals usage

iv) safer solvents

among other aspects.

Thus Diels -Alder uses no solvent, no wastage

atoms are conserved

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