Answer Happy

Safety: Which of the following chemicals is/are flammable: a) petroleum ether b) acetone c) methanol d) water e) All the above except d. . 2. Which of the following solvents would form a layer on top of water? (a) methanol (b) dichloromethane acetone diethyl ether (e) none of the above 3. In TLC, the Ry value is obtained by measuring Ya) the distance the spot moves from the bottom of the plate the relative distance the spot travels versus the solvent the distance the spot travels versus the length of the plate d) the relative frequencies of the compound the relative time it takes for the compound to travel 4. If a mixture of benzoic acid and methyl benzoate are dissolved in diethyl ether and 3M NaOH is added, which compound(s) will be more soluble in the aqueous layer? (a) benzoic acid (b) methyl benzoate (c) all of the above (e) none of the above 5. . How would you isolate Benzil alcohol, if you had the benzyl alcohol in diethyl ether? a) I would extract with 6M HCI, separate distill the aqueous layer. b) I would gently distill the diethyl ether, the benzyl alcohol should be in the receiver c) I would gently distill the diethyl ether, the benzyl alcohol should be in the distillation flask