Try C I’m sorry if you get it wrong but I’m like 90% sure
To reduce a haloalkane, it has to be eliminated first. This is because 2 bromopropanes are a saturated compound that can not be reduced by a saturated compound. Dehydrohalogenation of the haloalkanes into the form of propene and hydrogen bromide can lead to the elimination. The propene is then reduced to propane.
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The modern model recognizes particles in the atom, whereas Dalton's model does not.
Watson and Crick first contribution to DNA science was they proposed the theory of the structure of DNA. Watson and Crick's model DNA In the shape of a double helix. they determined the structure of DNA, it is a double helix. DNA molecule that helped scientist better understand the structure of DNA.
