Would cyclopentanone give a positive in the iodoform test? Explain.
Ans: No,
Cyclopentanone can not give iodoform test.
for iodoform test -CH3 group should directly attached to the carbonyl group.Since cyclopentanone dont have direct -CH3 link to ketone thus it dont give iodoform test.
2. (2 points) Circle the compound that will give a positive result in the iodoform test. a) acetophenone b) cyclopentanone c) isobutanol d) n-heptanal
which of the following compoundd would give a positive iodoform test? a) CH3OCH2CH2CH3 b) methylethylketone c) CH3CH2CH(OH)CH3 d) p-methylbenzaldehyde
benedicts test and iodoform test: propanal propanone 3. Benedict's Test Indicate which of the two compounds will give a positive result and why. 4. Iodoform Test Indicate which of the two compounds will give a positive result.
Which of the following ketones will give a positive iodoform test? OH Banco con el cos arbat-en a time -CH3 CH-C-CH-CH3 -CH-CH: (A) I and II OH O o III ch-E-CH,-CH:CH-CH,––CH,CH; (C) III and a IV V OA. OB. OC. OD.
If we perform a Baeyer test, an iodoform test and a Jonas test, at least one of them would be positive for: A. 3-Methylbut-3-ene-1-ol B. 3-Methylbutan-3-ol C. 3-Methylbutan-2-ol D. 2- Methylbutanal E. 2-Methylbutan-1-ol
3. Discuss the result you would obtain if you ran the iodoform test on 2-pentanol. 4. The e boiling points of 2 -pentanone and 3-pentanone are identical. Indicate how the of the 24-dinitrophenylhydrazone derivative is useful in identifying the two ketones e prepar 5. An unknown liquid does not react when heated with an ammoniacal silver nitrate solution. The compound gives a positive iodoform test The 2,4-dinitrophenylhydrazone derivative of the same unknown had a melting point of 115-117°C. Identify the...
1. (2 points each) Draw the chemical structures of the following two compounds. iodoform 71-butanal 2. (2 points) Circle the compound that will give a positive result in the iodoform test. (a) acetophenone b) cyclopentanone c) isobutanol d) n-heptanal 3. (3 points) Convert the following molecule to a Fisher projection. OH | H Convert to a Fisher Projection H DH 1 OHHH HAH HEBH 4. (2 points) Circle the correct name of the following structure. ph a) (meso)-hydrobenzoin H -OH...
If you use a permanganate test to distinguish between cyclohexanie and cyclohexene, in which would the purple color of KMNO4 persist? 11. Only one aldehyde and only one primary alcohol gives positive iodoform test. What are their structures? 12. Which of the following compounds would give a positive iodoform test? Yes/No Yes/No (a) Yes/No Yes/No (b)
10. If you use a permanganate test to distinguish between cyclohexane and cyclohexene, in which would the purple color of KMNO4 persist? 11. Only one aldehyde and only one primary alcohol gives positive iodoform test. What are their structures? 12. Which of the following compounds would give a positive iodoform test? i Yes/No Yes/No a) Yes/No (d) (b) Yes/No
Is it likely that there are proteins that will not give a positive ninhydrin test? explain