The 1 h nmr spectrum of the product is quite complex, but you can assign some of it. i have labeled some of the peaks on the spectrum as 1-5. now look at the product structure below. ha and hf are both near two o atoms, so will have the highest chemical shift (ignoring the aromatic ring). assign peaks ha and hf, and explain how you distinguished between them.

in chemistry, adhesion and cohesion are attractive forces that exist between molecules. they hold the molecules together from each other. they are different in that adhesive force exists between molecules of different substance while cohesive force happens between molecules of same substance.

adhesion between water and glass causes water molecules at the edge of water and glass interface to climb up the wall in a narrow glass tube. this is called capillary action. cohesion is what gives glass its shape and causes water to form a droplet.

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