Organic chemistry homework help

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Organic chemistry homework help. 1. Select the most electronegative element from the list below.
a) H
b) O
c) N
d) B
e) C
2. Which of these substances contain both covalent and ionic bonds?
a) NH4Cl
b) H2O2
c) CH4
d) HCN
e) H2S
3. Which of the following is the Lewis structure for CH3CO2H?
a)
b)
c)
d)
e)
4. Expansion of the valence shell to accommodate more than eight electrons is possible with ___.
a) fluorine
b) nitrogen
c) carbon
d) sulfur
e) beryllium
5. Which of the following is a set of constitutional isomers?
a) I and II
b) II and III
c) I, II, and III
d) II, III, and IV
e) I, III, and IV
6. Which compound is not a constitutional isomer of the others?
a) I
b) II
c) III
d) IV
e) All of these choices are isomers of each other.
7. Which of the following species is/are not a resonance form(s) of the anionic species in the box?
a) I
b) II and III
c) III and IV
d) I and IV
e) I and III
8. Which of the following could not be a resonance structure of CH3NO2?
a)
b)
c)
d)
e) More than one of these choices.
9. How many s-sp3 bonds are there in the following substance?
a) 3
b) 8
c) 12
d) 13
e) 16
10. Which molecule has the shortest carbon-carbon single bond?
a) I
b) II
c) III
d) IV
e) V
1. Which molecule does not have a dipole moment?
A)
B)
C)
D)
E) None of these choices.
2. What alkyl groups make up the following ether?
A) isobutyl and propyl
B) propyl and butyl
C) ethyl and isopropyl
D) propyl and sec-butyl
E) None of these choices.
3. Which compound is a tertiary alcohol?
A) I
B) II
C) III
D) IV
E) V
4. Which compound is a primary amine with the formula C5H13N?
A) I
B) II
C) III
D) IV
E) V
5. What functional group(s) is/are present in the following compound?
A) Ketone and alkene
B) Ketone and alkyne
C) Aldehyde and alkene
D) Aldehyde and alkyne
E) 1o alcohol and alkene
6. Which is a carboxylic acid?
A) I
B) II
C) III
D) IV
E) V
7. Drawn below is atropine, found in Atropa belladonna, sometimes used in dilating pupils during an eye exam. Which of the following functional groups is NOT in atropine?
A) Amine
B) Ester
C) Alcohol
D) Benzene ring
E) Ketone
8. The compound aspartame is a dipeptide that is often used as a sugar substitute. Which functional groups are present in aspartame?
A) carboxylic acid, secondary amine, ketone, ester
B) alcohol, secondary amine, ketone, ester
C) carboxylic acid, ester, amide, secondary amine
D) ester, amide, primary amine, carboxylic acid
E) none of these choices
9. Which of these would you expect to have the lowest boiling point?
A) CH3CH2CH2OH
B)
C) CH3OCH2CH3
D) CH3CH2CH2CH2OH
E) CH3CH2OCH2CH3
10. The following substance is expected to have the lowest solubility in which of the following solvent(s) ?
A) CCl4
B) C2H5OH
C) CHCl3
D) HOCH2CH2CH2CH2CH2CH2OH
E) The given substance is likely to be quite soluble in all of the solvents described.
Please answer both questions with a full paragraph answer. Comment on other submissions and give examples of the theory that is being discussed.
Why is the way elements and molecules bonded affect how they can react chemically?
Why are functional groups important? How can we use them to help with organic chemistry (reactions, properties, and reactivity)?
Organic chemistry homework help

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