Are these answers correct? Please explain. 1. A compound, C5H10O, reacts with ph
ID: 961987 • Letter: A
Question
Are these answers correct? Please explain.
1. A compound, C5H10O, reacts with phenylhydrazine and gives a positive iodoform test. The compound could be which of these? Is the answer D. Only acetaldehydes and methyl ketones are positives.
2. What would be the major product of the following reaction? Is the answer E.
3. What would be the major product of the following reaction sequence? Is the answer B.
4. Consider the synthesis below. What is the reagent A? Is the answer B.
5. Which of these alkyl halides cannot be used effectively in a Gabriel amine synthesis? Is the answer E.
a. 1-bromopentane
b. 1-bromo-3-methylbutane
c. 2-bromo-3-methylpentane
d. 1-bromo-2,3-dimethylbutane
e. 2-bromo-2,3-dimethylbutane
A) CH CH2CH2CH2C-O B) CH3CHCH2C O CH3 D) CH3CHCCH3 CH3 E) CH3CH2CCH2CH3Explanation / Answer
1) option D your answer is correct and your approach also correct.
2) structure II is correct
it is HVZ reaction alpha halogenation of carboxyllic acids.
3) structure structure III is correct
alpha alkylation of ketones.
4) answer is D CuCN
5) yes your answer is correct
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