Docsity
Docsity
Prepare for your exams
Prepare for your exams

Study with the several resources on Docsity

Earn points to download
Earn points to download

Earn points by helping other students or get them with a premium plan

Guidelines and tips
Guidelines and tips
Sell on Docsity
Sell on Docsity
Docsity AI
Docsity AI
Log inSign up

Prepare for your exams

Study with the several resources on Docsity

Find documents

Prepare for your exams with the study notes shared by other students like you on Docsity

Search for your university

Find the specific documents for your university's exams

Docsity AINEW

Summarize your documents, ask them questions, convert them into quizzes and concept maps

Explore questions

Clear up your doubts by reading the answers to questions asked by your fellow students

Earn points to download

Earn points by helping other students or get them with a premium plan

Share documents
download point icon20 Points

For each uploaded document

Answer questions
download point icon5 Points

For each given answer (max 1 per day)

All the ways to get free points
Get points immediately

Choose a premium plan with all the points you need

Study Opportunities

Choose your next study program

Get in touch with the best universities in the world. Search through thousands of universities and official partners

Community

Ask the community

Ask the community for help and clear up your study doubts

Free resources

Our save-the-student-ebooks!

Download our free guides on studying techniques, anxiety management strategies, and thesis advice from Docsity tutors

INTRODUCTION ALKANES, Lecture notes of Organic Chemistry

University of California - BerkeleyOrganic Chemistry

A) 1-Ethyl-3-methylcyclohexane. B) 1-Ethyl-5- ... C) 3-Methyl-1-ethylcyclohexane ... The structure of 5-chloro-2-ethyl-3,4-dimethyl-1-hexene is.

Typology: Lecture notes

2022/2023

Uploaded on 02/28/2023

gaqruishta
gaqruishta 🇺🇸

4.4

(18)

237 documents

1 / 11

Toggle sidebar

This page cannot be seen from the preview

Don't miss anything!

bg1
0
INTRODUCTION
1. Which of the following molecules has the smallest dipole moment?
A) NH3 B) H2O C) CHCl3 D) CCl4
2. Which of the following molecules has an ionic bond?
A) H2O B) Cl2 C) C2H6 D) KCl
3. The type of bond in C-O is
A) Ionic bond B) Covalent bond
C) Polar covalent bond D) Coordinate covalent bond
4. Lewis acid is a species that can
A) donate a proton B) accept a share in an electron pair
C) accept a proton D) donate a share in an electron pair
5. Lewis base is a species that can
A) donate a proton B) accept a share in an electron pair
C) accept a proton D) donate a share in an electron pair
6. The number of bonds in the following structure is
A) 15 B) 12 C) 10 D) 5
7. The number of sigma bonds in
C
H
3
C
H
H
2
C
is:
A) 6 B) 7 C) 8 D) 9
8. The shape of carbon-carbon bond in alkanes is:
A) Tetrahedral B) Trigonal C) Linear D) Octahedral
9. The type of hybridization of the selected carbon is
CH
3
CHH
C
A) sp B) sp2 C) sp3 D) sp3d
ALKANES
10. The carbon bearing a positive charge is called
A) Free radical B) carbanion C) carbocation D) anion
11. The name of the following group is
pf3
pf4
pf5
pf8
pf9
pfa

Partial preview of the text

Download INTRODUCTION ALKANES and more Lecture notes Organic Chemistry in PDF only on Docsity!

INTRODUCTION

  1. Which of the following molecules has the smallest dipole moment? A) NH 3 B) H 2 O C) CHCl 3 D) CCl 4
  2. Which of the following molecules has an ionic bond? A) H 2 O B) Cl 2 C) C 2 H 6 D) KCl
  3. The type of bond in C-O is A) Ionic bond B) Covalent bond C) Polar covalent bond D) Coordinate covalent bond
  4. Lewis acid is a species that can A) donate a proton B) accept a share in an electron pair C) accept a proton D) donate a share in an electron pair
  5. Lewis base is a species that can A) donate a proton B) accept a share in an electron pair C) accept a proton D) donate a share in an electron pair
  6. The number of  bonds in the following structure is A) 15 B) 12 C) 10 D) 5
  7. The number of sigma bonds in H 2 C^ CH CH 3 is: A) 6 B) 7 C) 8 D) 9
  8. The shape of carbon-carbon bond in alkanes is: A) Tetrahedral B) Trigonal C) Linear D) Octahedral
  9. The type of hybridization of the selected carbon is H 2 C CH CH 3 A) sp B) sp^2 C) sp^3 D) sp^3 d

ALKANES

  1. The carbon bearing a positive charge is called A) Free radical B) carbanion C) carbocation D) anion
  2. The name of the following group is

H 3 C CH 3 CH 3 C A) Butyl B) Isopropyl C) Isobutyl D) t-Butyl

  1. When carbon is bonded to three other carbon atoms, it is called a A) primary carbon B) secondary carbon C) tertiary carbon D) quaternary carbon
  2. The compound with the highest boiling point is H 3 C CH 3 CH 3 C CH 3 A) B) (^) H 3 C CH 3 C)^ D) CH 3 CH CH 2 CH 3 CH 3 H 3 C CH CH 3 CH 2 CH 2 CH 2 CH 3
  3. The compound with the highest boiling point is: A) n-Hexane C) 2-Methylpentane B) n-Pentane D) 2,2-Dimethylbutane
  4. The compound with the least boiling point is: A) (^) B) C) (^) D)
  5. The number of isomers for the molecular formula C 4 H 10 is: A) 4 B) 3 C) 2 D) 1
  6. The product of the following reaction CH 2 Br
    1. Mg/dry ether
    2. H 3 O+^ is: A) Pentane. B) Propane. C) Isobutane. D) n-Butane
  7. The IUPAC name for the following formula is H 3 C (^) CH

H 3 C

CH 2

H 3 C

C

H 3 C

CH 2 CH 2 CH 2 CH 3

A) 5-Ethyl-6,6-dimethylheptane B) 3-Ethyl-2,2-dimethylheptane C) 2,2-Dimethyl-3-ethylheptane D) 6,6-Dimethyl-5-ethylheptane

  1. The following name is incorrect A) 2-ethylpropane B) 2,2-dimethylpentane C) 2-methylhexane D) n-pentane
  2. At room temperature, alkanes from C 5 to C 17 are

B) 1-Bromo-2-methyl-5-ethylcyclopentane C) 1-Bromo- 2-ethyl- 5-methylcyclopentane D) 1-Methyl- 2-Bromo- 3-ethylcyclopentane

ALKENES

  1. The shape of carbon- carbon double bond in alkenes is: A) Tetrahedral B) Trigonal C) Linear D) Octahedral
  2. The geometry of the selected carbon is: A) Bent B) Linear. C) Tetrahedral D) Trigonal planar
  3. The type of hybridization of the indicated carbon in the following structure is: A) sp B) sp^3 C) sp^3 d D) sp^2
  4. The product of the following reaction is:
  5. What is the product of the following reaction? A) O O B)^ HO OH C) (^) D) OH OH OH OH
  1. What is the correct IUPAC name of the given structure? A) 4, 6-Dimethylcyclohexene B) 3, 5-Dimethylcyclohexane C) 1, 5-Dimethylcyclohexene D) 3, 5-Dimethylcyclohexene
  2. The structure of 5-chloro-2-ethyl-3,4-dimethyl-1-hexene is
  3. The Correct name of the following compound is: Br Cl A) 2-bromo-5-Chloro-2-ethyl-4-octene. B) 7-bromo-2-chloro-3-methyl-4-octene. C) 2-bromo-7-chloro-6-methyl-4-octene D) 6-bromo-3-Chloro-2-ethyl-4-heptene.
  4. Which of the following compounds shows geometrical isomerism? HC C-CH 3 H 2 C C-CH 3 CH 3 A) (^) B) C) (^) CH 3 -CH=CH-CH 3 D)CH 3 -C = C-CH 3 CH 3 CH 3
  5. The compound which cannot exhibit geometrical isomerism is A) Cyclohexane B) 1,2-Dichlorocyclohexane C) 2-Butene D) 2-Pentene
  6. The IUPAC name of the following structure is H 3 C CH C C H H 2 C CH 3 H CH 3 A) cis-2-Methyl-3-hexene B) cis-5-Methyl-3-hexene C) trans-5-Methyl-3-hexene D) trans-2-Methyl-3-hexene
  7. What is the following reagent needed for the following transformation?
  1. Ozonoloysis of the following compound gives O
    • H O A) B) O

H O O

H H O O

O C) D)

  1. Complete the following equation and choose the major product:
  2. Ozonolysis of 2-methyl-1-octene gives: A) Alcohol and aldehyde. B) Aldehyde and ketone. C) Diketone D) Dialdehyde
  3. Ozonolysis of 2,3-Dimethyl-2-pentene results in the formation of A) Two aldehydes B) Two ketones C) One aldehyde and one ketone D) Dialdehyde
  4. Ozonoloysis of the following compound gives:
  5. The product of the following reaction is A) B)^ C)^ D)^ Cl Cl Cl Cl
  1. O 3
  2. Zn / H 2 O O O O
  • CH 3 CHO O A) (^) B) C) O D) + CH 3 COOH
  1. The product of the reaction shown below is CH 3 Br Br Br HO Br OH Br a) b)^ c) d)
  2. The major product of the reaction shown below is: Br 2 /H 2 O
  3. The product of the reaction shown below is Br 2 /H 2 O A) B)^ C)^ D) Br OH OH Br Br Br Br
  4. Complete the following equation and choose the major product:
    • Br 2 CCl^4 Br Br Br Br Br A) B) C) D) Br Br
  5. Complete the following equation and choose the major product: H  OH OH A) B) C) D)
  6. The major product for the following reaction is:

D) 2,3-Dimethyl-5-bromo-7-nitro-1,4-dioctene

ALKYNES

  1. Which of the following compounds is more acidic: A) B) C^ CH^ C) D) C^ C^ CH 3
  2. Addition of 2 moles HBr to 1-pentyne gives: A) 1-Bromopentene C) 2,2-Dibromopentene B) 1,2-Dibromopentane D) 2,2-Dibromopentane
  3. The addition of 2 moles HBr to 1-Butyne gives: A) 2,3-Dibromobutane B) 1,3-Dibromobutane C) 1,1-Dibromobutane D) 2,2-Dibromobutane
  4. Acetylene is the Common name for? A) Ethene B) Ethyne C) Propene D) Ethane
  5. The correct IUPAC name of Br A) 1-Cyclopentanyl-4-bromooct-1-yne B) 8-Cyclopentanyl-5-bromooct-1-yne C) 4-Bromo-1-cyclopentanyl-1-octyne D) 2-Bromo-3-cyclopentanyl-1-octyne
  6. The product of the following reaction is : A) cis-2-Butene C) trans-2-Butene B) trans-2-pentene D) Butane
  7. What is the starting material (X) used in the following reaction? A) 1-propanol B) Propyne C) 2-propanol D) Propene
  8. The unknown compound X is:
    1. NaNH 2

X Br +^ H 2 O

X H^3 C^ C^ CH^3

HgSO 4 / H 2 SO 4 O 4

a) (^) b) (^) Br c) (^) d) Br Br

  1. The product of the following reaction C CH (^) H 2 O HgSO 4 /H 2 SO (^4) is O OH O H O A) (^) B) C) D) SO 3 H
  2. Reaction of alkynes with HBr is an example of A) Electrophilic substitution reaction. B) Free radical addition reaction. C) Electrophilic addition reaction. D) Nucleophilic substitution reaction
  3. The incorrect answer about the Acetylene is: A) The carbon atoms are sp hybridized B) oxidizes to give Ethene C) Reacts with the base NaNH 2 D) Follow the general formula CnH2n-
  4. What is the correct name for the following compound? A) 3,3-Dimethyl-1-heptyne B) 5,5-Dimethyl-1-heptene C) 5,5-Dimethyl-1-heptyne D) 5-Etheyl-5-methyl-1-hexyne