[PDF] General Organic Chemistry Questions PDF MCAT_Review

Organic Chemistry Questions The Covalent Bond 1 The hybridization of the central carbon in CH3C≡N and the bond angle CCN are a sp 2, 180° b sp, 180°

Organic Chemistry 32-235 Practice Questions for Exam #2 Part 1: (Circle only ONE choice, circling more than one will be counted as wrong) 4 points each 1

[PDF] General Organic Chemistry Questions

Organic Chemistry Questions The Covalent Bond 1 The hybridization of the central carbon in CH3C≡N and the bond angle CCN are a sp 2, 180° b sp, 180°

[PDF] Short Answer Versus Multiple Choice Examination Questions for

Multiple choice (MC) examinations are frequently used for the summative examination of two first year chemistry units, alongside MC questions structures of organic compounds and write balanced equations, which cannot be assessed by

[PDF] CHEMISTRY IN MULTIPLE CHOICE QUESTIONS - Белорусский

Organic Chemistry»), 2) in any other relevant source of knowledge; 3) most answers are hidden in other questions from this book Finally, all those questions

[PDF] GRE ® Chemistry Test Practice Book (PDF) - ETS

overview of the GRE Chemistry Test to help you get ready for some questions classified as testing organic chemistry of multiple-choice questions in the test

[PDF] 1 MULTIPLE-CHOICE QUESTIONS FOR THE FACULTIES OF

MULTIPLE-CHOICE QUESTIONS FOR THE FACULTIES OF MEDICINE AND DENTAL MEDICINE - ORGANIC CHEMISTRY – SEPTEMBER 2014 1

[PDF] organic chemistry questions and solutions

[PDF] organic chemistry worksheet with answers pdf

[PDF] organic functional group analysis lab report

[PDF] organic nomenclature packet chemistry answers

[PDF] organic products of t butyl chloride hydrolysis

[PDF] organic reactions chemguide

[PDF] organisation et gestion de l'entreprise pdf

[PDF] organisation et structure de l'entreprise pdf

[PDF] organisation générale de l'entreprise pdf

[PDF] organisation interne de l'entreprise pdf

[PDF] organisational culture model

[PDF] organise hard rubbish collection

[PDF] organisms that reproduce asexually

[PDF] organization and structure of the american legal system

[PDF] organization management book pdf

Organic Chemistry Questions

The Covalent Bond

1. The hybridization of the central carbon in CH

CN and the bond angle CCN are

a. sp 2 , 180°. b. sp, 180°. c. sp 2 , 120°. d. sp 3 , 109°.

2. Which of the following statements about an sp hybridized carbon is FALSE?

a. It is divalent. b. It forms bonds that are linear. c. It has two p orbitals. d. It always forms triple bonds to carbon.

3. Which molecule has the largest dipole moment?

a. HCl b. CCl 4 c. H 2 S d. CO 2

4. What are the hybridizations of carbons 1 and 2 respectively in the following structure?

a. sp 3 and sp 2 b. sp 2 and sp 3 c. sp 3 and sp d. sp 2 and sp 2

5. What are the hybridizations of atoms 1 and 2 respectively in the following structure?

a. sp 3 and sp 2 b. sp 2 and sp 3 c. sp 3 and sp d. sp 2 and sp 2

6. Identify the orbital hybridization at the two indicated carbons in the molecule below.

a. C 1 : sp; C 2 : sp b. C 1 : sp 2 ; C 2 : sp 2 c. C 1 : sp; C 2 : sp 2 d. C 1 : sp 2 ; C 2 : sp

7. How many total resonance structures can be drawn for the following anion (include

those without separation of charge)? a. 1 b. 2 c. 3 d. 4

8. How many resonance structures can be drawn for the following molecule?

a. 1 b. 4 c. 3 d. 2

9. The correct geometry around oxygen in CH

3 OCH 3 is a. linear. b. bent. c. tetrahedral. d. trigonal planar

10. Determine the relationship between the two molecules shown.

a. constitutional isomers b. enantiomers c. diastereomers d. identical molecules

11. What is the correct name for this molecule?

a. (2R,3R)-2-bromo-3-chlorobutane b. (2S,3R)-2-bromo-3-chlorobutane c. (2S,3S)-2-bromo-3-chlorobutane d. (2R,3S)-2-bromo-3-chlorobutane

12. What is the specific rotation 20[Į ]

D of the following molecule? a. +4.42 o b. +0.442 o c. +44.2 o d. - 44.2 o

13. Which of the following physical properties differ for each of a pair of enantiomers?

a. solubility in ethanol b. direction of rotation of plane-polarized light c. boiling point and melting point d. index of refraction

14. Determine the double bond stereochemistry (E or Z) for the following molecules.

a. A: E; B: E b. A: Z; B: Z c. A: E; B: Z d. A: Z; B: E

15. Determine the double bond stereochemistry (E or Z) for the following molecules.

a. A: E; B: E b. A: Z; B: Z c. A: E; B: Z d. A: Z; B: E

Molecular Structure and Spectra

1. A strong signal at 1700 cm

-1 in an IR spectrum indicates the presence of a(n) a. alcohol b. ether c. carbonyl d. amine

2. A strong signal at 3400 cm

-1 in an IR spectrum indicates the presence of a(n) a. alcohol b. ether c. carbonyl d. amine

3. Deduce the structure of an unknown compound with molecular formula C

5 H 12

O using

information given by its infrared spectrum.

Intensity (peak): Frequency (cm

-1 m 3300 m 2900 m 2800 m 1465 m 1450 m 1375 a. b. c. d.

4. Deduce the structure of an unknown compound with molecular formula C

9 H 10

O using

information given by its infrared spectrum.

Intensity (peak): Frequency (cm

-1 s 3100 m 2900 m 2800 s 1710 m-w 1600 m-w 1475 m 1465 m 1450 m 1375 a. b. c. d.

5. Deduce the structure of an unknown compound with molecular formula C

5 H 8

O using

information given by its infrared spectrum.

Intensity (peak): Frequency (cm

-1 m 3100 m 2800 s 1705 m-w 1640 m 1450 m 1375 a. b. c. d.

6. Which of the following compounds a-d has an IR absorption at 3300 cm

-1 a. a b. b c. c d. d

7. When an external magnetic field is applied, what happens to the protons in a sample?

a. All protons align with the field. b. All protons align opposite to the field. c. Some protons align with the field and some align opposite to it. d. All protons assume a random orientation

8. Which of the following compounds has the MOST deshielded protons?

a. CH 3 Cl b. CH 3 I c. CH 3 Br d. CH 4

9. Arrange the following compounds in order of decreasing chemical shift for the

underlined hydrogens (largest value first, smallest value last). CH 3 CH 2 CH 3 CH 3 OCH 2 CH 3 Cl 2 CHCH 2 CH 3 ClCH 2 CH 2 CH 3 a b c d a. b > c > a > d b. b > c > d > a c. c > b > a > d d. c > b > d > a

[PDF] [PDF] General Organic Chemistry Questions

[PDF] Organic Chemistry 32-235 Practice Questions for Exam Part 1