At what approximate positions might the following compounds show IR absorptions?
a. CH3CH2C(O)CH3 b. (CH3)2CHCH2C≡CH c. (CH3)2CHCH2CH=CH2 d. CH3CH2CH2CO2CH3
At what approximate positions might the following compounds show IR absorptions? a. CH3CH2C(O)CH3 b. (CH3)2CHCH2C≡CH c....
At what approximate positions might this compound show IR absorptions? At what approximate positions might this compound show IR absorptions?
1450–1600 Medium At what approximate positions might this compound show IR absorptions? Consult the table given above; there must be an exact match of groups with the absorptions. There are occasional overlaps between absorptions in the table, be sure that the group is actually present in the molecule. Esters and alcohols both show similar C-O stretching vibrations. Enter your choices as an alphabetized string of letters, with no spaces. Table of IR Absorptions a. 2850-2960 b. 3020-3100 1640-1680 d. 3300...
Give IUPAC names for the following compounds: HC=CCH=CHCH=CH2 (a) (b) (CH3CH2C=CH2=CCH(CH3)C=CH
I-Predict the approximate positions of all of the important absorptions in the IR spectrum of this compound. CHCH CH-CHCOH Explain which functional group is present in the compound with the following IR spectrum. Show a possible structure for the compound. NEAT 3- Show the structure of the ion that is responsible for the peak a-at m/z 43 in the mass spectrum of 2-heptanone. (5) CH3CCH2CH2CH2CH2CH3
1. Give IUPAC names for the following compounds: (b) CH2C=CCH2C=CCH2CH3 CH3 CH3CH2C=CCCH CHE (d) (c) CH3 CH3 CH2CH=CC=CCHCH3 CH3 HCCCCH2C=CH CH₂ (e) H2C=CHCH=CHCECH (1) CH2CH3 CH3CH2CHCECCHCHCH, CH₂CH₂ CH₂ 2. Give the IUPAC names for each of the following: 3. Without consulting tables, arrange the following compounds in order of decreasing acidity: 1-Pentene Pentane 1-Pentanol 1-Pentyne
O n What are the IR absorptions for these compounds ? List all of their absorption frequency as well. range. a.) Ethanol b.) Toluene C.) Hexane d.) 3- Pentanone
name the following organic compounds Name the following organic compounds: CH CH, --CH2-C-CH CH CH3-CH2-C1 CH3-CH, Br CH3-CH2-CH-CH2-CH-CH3 Br CI-CH2-CH-CH2-Br Сн, CH-CH-CH-CH: CH3 CH, ---CH2-C-CH2-CH;
What functional groups might molecules contain if they show IR absorptions at the following frequencies? (a) 1715 cm-1 (b) 1540 cm-1 (c) 2210 cm-1 (d) 1720 and 2500–3100 cm#-1 (e) 3500 and 1735 cm-1
name the compounds b. CH3 CH3-CH2-CH-CH-CECH CH2-CH3 CH3 CH=C-C-CH3 CH2-CH2-CH3 1 CH3 - CH2 - CH = CH-CH3
Which of the following pairs of compounds are isomers? A) CH3 -CH2-O-CH2-CH3 and CH2-0 - CH2-CH3 CH3 B) 0 CH3-CH2-C- CH3 and CH3 - CH2 - CH2-CH ОН CH3-CH2-CH-OH and CH3 - CH-CH2-CH3 CH3 D) CH3-CH2-CH2-OH and CH3-O-CH3 CH3CH2OH and HC CH3