rocket science exercise and need the explanation and answer to help me learn.
Requirements:
Organic Chemistry 1
PLTL Week 6
Name:_______________________________
Which of the following compounds would be considered an electrophilic reagent?
NH3
Br2
CH3OH
NH2OH
Which of the following compounds are constitutional isomers?
CH3CH2OCH3 and CH3CH2CHO
CH3CH2CHO and CH3CH2CH2OH
CH3COCH2CH3 and CH3CH2COCH3
CH3CH2CH2CHO and CH3COCH2CH3
Which of the following is not a nucleophile?
H2O
CH3NH2
C2H5SH
C6H12 (Cyclohexane)
Which of the following is not a good electrophile?
C2H5OC2H5
BF3
[CH3]3C(+)
HOCl
How many structurally different sets of hydrogens are present in (CH3)CCH2OCH3?
2
3
4
8
Which of the following is a conjugate base of CH3NHOH?
CH3NH-1
CH3NHO-1
CH3NH3+1
CH2=NHOH
A Lewis formula for diazomethane, CH2N2, is shown on the left below. Which of the formulas within the brackets would be considered a proper resonance contributor to this structure?
Which of the descriptions (A to D) correctly describe the following energy diagram?
Which of the following series contain a free radical, a nucleophile and an electrophile?
.Br, BF3, NH3
NH3, NO2+, Br2
H2O, Cl., NH3
Cl2, CH4, NH3
How many degrees of unsaturation does the following structure have?
4
5
6
7
The following structures are resonance contributors for a reactive intermediate formed during ozonolysis of alkenes. Identify the most energetically favorable and the least favorable contributors.
Which of the following cations is most stable?
What is the IUPAC name for CH3CH2C(CH3)2CH2CH(CH3)2?
3,3,5-trimethylhexane
2,2,5-trimethylhexane
2,4,4-trimethylhexane
1,1,3,3-tetramethylpentane
Which of the following conformational structures is 2-methylpentane?
The IUPAC name for (CH3)2CHCH(CH3)CH2CH=CH2 is ..
4,5-dimethyl-1-hexene
4,5,5-trimethyl-1-pentene
2,3-dimethyl-5-hexene
4-methyl-4-isopropyl-1-butene
Which of the following represents the most stable conformation of all cis-1,2,4-trimethylcyclohexane?
The terpene ocimene has the IUPAC name (3E)-3,7-dimethyl-1,3,6-octatriene, what is the structural formula of this compound?
What is the structure of bicyclo [3.1.1] heptane?
Which of the following C6H12 isomers has the largest heat of combustion?
Cyclohexane
Methylcyclopentane
Ethylcyclobutane
Propylcyclopropane
The following compound has how many stereogenic centers?
Hydration, by oxymercuation, of 3-methyl-1-butene gives 3-methyl-2-butanol.What is the observed rotation of this product, using a 20% solution in ethanol in a 1dm polarimeter cell?.
Assume the specific roatation of the pure (S)-enantiomer to be +16º
+3.2°
-3.2°
180° (+ or -)
0°
Which of the following is (R)-3-hexanol?
Which two Fischer formulas represent a pair of enantiomers?
I & II
III & IV
I & IV
II & III
Which of the following represents (E)-3,6-dichloro-6-methyl-3-heptene?
Which two of the following compounds represents a pair of enantiomers?
I & II
II & III
III & IV
II & IV
Which of the following is properly classified as a meso compound?
Which two of the following compounds are diastereomers?
I & II
II & IV
III & IV
I & III
How many stereogenic carbon centers are there in morphine, structure shown below?
4
5
6
7
ANSWERS
B
D
D
A
B
B
B
D
A
D
B
C
C
C
A
A
D
C
D
C
D
B
B
C
C
A
D
B