view.php?id=41 3585 e | | a Search X Incorrect IX tion 6 of 12 (1 point)X Incorr

Question

view.php?id=41 3585 e | | a Search X Incorrect IX tion 6 of 12 (1 point)X Incorrect 'X Incorrect 1ncorrect i X Incorrect The apparatus shown in the igure below was used in a series of experiments. A cotton ball soaked n either hydrochloric acld (HCl) or acetic add (CH3COOH soaked in one of three amines (a class of nitrogern placed on the other end (see figure below). frexperiments. A otom bal oaked h ) was placed at one end. Another cotton ball compounds)-CHoNib (ChHszNH.or(CHbhNI was 1.00 m CH,NH, CH),NH, or (CH),N HCI or CH,COOH a. In one combination of acid and amine, a white ring was observed almost exactly halfway between the two ends. Which acid and which amine were used? CH3COOH CH3NH2 (CH3)2NH (CH3)3N

Explanation / Answer

a)

CH3COOH    AND (CH3)3N

acid and amine should have almost same molecular weight to have same difussion

b)

HCL    AND (CH3)3N

acid should have minimum weight while amine should have maximum weight

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