When an organic amine that is dissolved in ether is exposed to 5% aqueous HC1 in

Question

When an organic amine that is dissolved in ether is exposed to 5% aqueous HC1 in a separatory funnel and the funnel is shaken, what phase is the amine (or amine salt) in? A) aqueous B) organic C) gas D) solid E) liquid If the compound below is disolved in water, what should be done to recover the compound? A) Add acid. B) Add base. C) Add ether. D) Add water. If a mixture of the compounds below (answer choices) is distilled, which compound will be collected first? A) hexane B) 2-methylpentane C) 3-methylpentane D) 2, 2-dimethylbutane An azeotrope is A) a mixture that can't be separated by simple distillation. B) 95% ethanol and water. C) a solution that mimics the boiling point of the components of the mixture. D) all of the above. Which of the following is a conjugate acid of CH_3NH_2? A) CH_3NH_3^+ B) CH_2=NOH C) CH_3NH- D) CH_3NH_3- Acetone is a A) common organic solvent. B) organic compound with 3 carbons. C) ketone. D) all of the above.

Explanation / Answer

21) as the amine are polar , it is present in aqueous layer

answer : A

22) as it is aromatic compound , it is having non-polar part.

so that it is soluvle in ether

answer: C

23) answer: D

   it is having lower boilingpoint.

24) answer: D

25)   answer: A

   CH3NH2 - base + H+ -------> CH3NH3+ -ACID

26) answer: d

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