1. By hydrogenation of CH(CH-):CH CHO which of the following compounds is produc
ID: 695385 • Letter: 1
Question
1. By hydrogenation of CH(CH-):CH CHO which of the following compounds is produced? a. 1,1-dimethyl-3-propano b. 2-methyl-4-butanol C 3-methyl-1-butanol d. 3,3-dimethyl-1-propanol 2. R-CHO is the general formula of a. alcohols. b. aldehydes. c. ketones. d. ethers 3. Isopropylalcohol can be made by the reduction of: a) acetaldehyde c) acetone b) ethyl methyl ketone d) propionaldehyde e) none Find the product of glycerol oxidation: 4. a) 3-hydroxypropanoic acid c) acetone b) 2,3-dihydroxypropanal d) lactic acid e) none 5. a) hydroquinone c) 1,4-xylene Find the product of benzene-1,4-diol dehydrogenation: b) 1,4-benzenedicarboxylic acicd d) 1,4-benzoquinone e) none 6. Find the product of benzaldehyde reduction: a) cyclohexanol b) toluene c) benzene d) phenol e) none 7. Which compound is easily oxidized under mild conditions: a) CHjCH-CH2-CH-o c) CH3CH2-0-CH2CHs b) (CHs) C(OCHs) d) CH:CH2-CO-CH2CH3 e) none 8. Acetal is formed by: a) hydration of aldehyde c) reaction of alcohol and aldehyde b) aldol condensation d) dehydration of acetic acid e) none 9. Carbon is found in the highest oxidation state in which of these classes of organic compounds? (A) carboxylic acids (B) alcohols (C) aldehydes (D) alkynes 10. The aldehyde group is acetaldehyde A: can donate a hydrogen to H-bond B: produces a ketone when oxidized C: can form a ketal with an alcohol D: is susceptible to oxidationExplanation / Answer
Q1
hydrogenaton of this will increase CHO grou pinto COOH group
therefore, this becomes an alcohol group
total carbon chain --> 4 carbons, therefore, butnaol
1 butanol --> since OH gorup is much more important
choose C
Q2
R-CHO --> this is considered an aldehyde,C=O and C-H at the same time
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