Find the suitable base for the following reaction: $\quad$$\quad$C6H5OH + :B → C6H5O:- + H:B+ The pKa for C6H5OH (phenol)is 9.88.The formula for the base is followed by the pKa of its conjugate acid.

A) CN-,pKa = 9.31 B) CF3COO-,pKa = 0.23 C) CH3C(=O)CH3,pKa = -7.2 D) CH3COO-,pKa = 4.74 E) OH-,pKa = 15.73 A) CN-,pKa = 9.31 B) CF3COO-,pKa = 0.23 C) CH3C(=O)CH3,pKa = -7.2 D) CH3COO-,pKa = 4.74 E) OH-,pKa = 15.73

Find the suitable base for the following reaction: $\quad$CH3C(=O)CH3 + :B → CH3C(=O)CH2:- + H:B+ The pKa for CH3C(=O)CH3 (acetone)is 20.The formula for the base is followed by the pKa of its conjugate acid.

A) HO-,pKa = 15.74 B) NH3,pKa = 9.25 C) CH3CH2O-,pKa = 16 D) C6H5O-,pKa = 9.88 E) NH2-,pKa = 38 A) HO-,pKa = 15.74 B) NH3,pKa = 9.25 C) CH3CH2O-,pKa = 16 D) C6H5O-,pKa = 9.88 E) NH2-,pKa = 38

Exam 21: Organic Chemistry II: Reactions

Determine the products of the following reaction: $Determine the products of the following reaction: \frac { \mathrm { Na } _ { 2 } \mathrm { Cr } _ { 2 } \mathrm { O } _ { 7 } } { \mathrm { H } _ { 2 } \mathrm { SO } _ { 4 } } ?$ $\frac { \mathrm { Na } _ { 2 } \mathrm { Cr } _ { 2 } \mathrm { O } _ { 7 } } { \mathrm { H } _ { 2 } \mathrm { SO } _ { 4 } }$ ?

(Multiple Choice)

4.9/5

(74)

Question 21

Which of the following represents the addition polymer formed from the compound below? CH₂=CHCl

(Multiple Choice)

4.7/5

(89)

Question 22

What is transesterification?

(Multiple Choice)

4.9/5

(73)

Question 23

Find the suitable base for the following reaction: $\quad$ $\quad$ C₆H₅OH + :B → C₆H₅O:^- + H:B⁺ The pK_a for C₆H₅OH (phenol)is 9.88.The formula for the base is followed by the pK_a of its conjugate acid.

(Multiple Choice)

4.7/5

(86)

Question 24

Which of the following statements is TRUE?

(Multiple Choice)

4.8/5

(72)

Question 25

Which of the following represents the addition polymer formed from the compound below? CH₂=CH-CH₃

(Multiple Choice)

4.8/5

(91)

Question 26

Which of the following compounds is a Grignard reagent?

(Multiple Choice)

5.0/5

(84)

Question 27

What are secondary alcohols oxidized to?

(Multiple Choice)

4.8/5

(81)

Question 28

What are the major and minor products of the following reaction: $What are the major and minor products of the following reaction: \frac { \mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } \mathrm { ONa } } { \mathrm { Heat } }$ $\frac { \mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } \mathrm { ONa } } { \mathrm { Heat } }$

(Multiple Choice)

4.8/5

(88)

Question 29

Which of the following is the balanced chemical equation that represents the addition of Cl₂ to CH₃CH=CH₂?

(Multiple Choice)

4.8/5

(90)

Question 30

What is the correct order of increasing reactivity among acyl groups?

(Multiple Choice)

5.0/5

(80)

Question 31

What are the correct products of the following reaction performed in the presence of an acid? C₃H₇COOCH₃ + C₂H₅OH →

(Multiple Choice)

4.7/5

(85)

Question 32

Which part of HCN,the hydrogen or the cyano group,adds to the O in a C=O bond and why?

(Essay)

4.9/5

(75)

Question 33

Identify reagents A and B required for the following transformation of acyl groups: $\mathrm { C } _ { 2 } \mathrm { H } _ { 5 } \mathrm { COOH } \stackrel { \mathbf { A } } { \rightarrow } \mathrm { C } _ { 2 } \mathrm { H } _ { 5 } \mathrm { COCl } \stackrel { \mathbf { B } } { \rightarrow } \mathrm { C } 2 \mathrm { H } _ { 5 } \mathrm { CONHCH } 3 + \mathrm { HCl }$

(Multiple Choice)

4.9/5

(77)

Question 34

In which of the following families would the strongest organic acids be found?

(Multiple Choice)

4.7/5

(75)

Question 35

Find the suitable reagent for the transformation:

(Multiple Choice)

4.8/5

(81)

Question 36

Draw a clear mechanism for E2 elimination reactions.Make sure to indicate each step of the mechanism (if there is more than one)as well as to use arrows to show the electron flow.

(Essay)

4.9/5

(80)

Question 37

Draw a clear mechanism for S_N1 substitution reactions.Make sure to indicate each step of the mechanism (if there is more than one)as well as to use arrows to show the electron flow.

(Essay)

4.8/5

(88)

Question 38

Determine the product(s)of the reduction of the following compound:

(Multiple Choice)

4.8/5

(80)

Question 39

Find the suitable base for the following reaction: $\quad$ CH₃C(=O)CH₃ + :B → CH₃C(=O)CH₂:^- + H:B⁺ The pK_a for CH₃C(=O)CH₃ (acetone)is 20.The formula for the base is followed by the pK_a of its conjugate acid.

(Multiple Choice)

4.8/5

(83)

Question 40

Showing 21 - 40 of 93

Exam 21: Organic Chemistry II: Reactions

Determine the products of the following reaction: Na2Cr2O7H2SO4\frac { \mathrm { Na } _ { 2 } \mathrm { Cr } _ { 2 } \mathrm { O } _ { 7 } } { \mathrm { H } _ { 2 } \mathrm { SO } _ { 4 } }H2​SO4​Na2​Cr2​O7​​ ?

Which of the following represents the addition polymer formed from the compound below? CH2=CHCl

What is transesterification?

Find the suitable base for the following reaction: \quad\quad C6H5OH + :B → C6H5O:- + H:B+ The pKa for C6H5OH (phenol)is 9.88.The formula for the base is followed by the pKa of its conjugate acid.

Which of the following statements is TRUE?

Which of the following represents the addition polymer formed from the compound below? CH2=CH-CH3

Which of the following compounds is a Grignard reagent?

What are secondary alcohols oxidized to?

What are the major and minor products of the following reaction: CH3CH2ONaHeat\frac { \mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } \mathrm { ONa } } { \mathrm { Heat } }HeatCH3​CH2​ONa​

Which of the following is the balanced chemical equation that represents the addition of Cl2 to CH3CH=CH2?

What is the correct order of increasing reactivity among acyl groups?

What are the correct products of the following reaction performed in the presence of an acid? C3H7COOCH3 + C2H5OH →

Which part of HCN,the hydrogen or the cyano group,adds to the O in a C=O bond and why?

In which of the following families would the strongest organic acids be found?

Find the suitable reagent for the transformation:

Draw a clear mechanism for E2 elimination reactions.Make sure to indicate each step of the mechanism (if there is more than one)as well as to use arrows to show the electron flow.

Draw a clear mechanism for SN1 substitution reactions.Make sure to indicate each step of the mechanism (if there is more than one)as well as to use arrows to show the electron flow.

Determine the product(s)of the reduction of the following compound:

Find the suitable base for the following reaction: \quad CH3C(=O)CH3 + :B → CH3C(=O)CH2:- + H:B+ The pKa for CH3C(=O)CH3 (acetone)is 20.The formula for the base is followed by the pKa of its conjugate acid.

Units of Measurement for Physical and Chemical Change

Atoms and Elements

Molecules,compounds,and Nomenclature

Chemical Reactions and Stoichiometry

Gases

Thermochemistry

The Quantum-Mechanical Model of the Atom

Periodic Properties of the Elements

Chemical Bonding I: Lewis Theory

Chemical Bonding II: Molecular Shapes, valence Bond Theory, and Molecular Orbital Theory

Liquids, solids, and Intermolecular Forces

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Gibbs Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Organic Chemistry I: Structures

Biochemistry

Chemistry of the Nonmetals

Metals and Metallurgy

Transition Metals and Coordination Compounds

Filters

Which of the following represents the addition polymer formed from the compound below? CH₂=CHCl

Find the suitable base for the following reaction: $\quad$ $\quad$ C₆H₅OH + :B → C₆H₅O:^- + H:B⁺ The pK_a for C₆H₅OH (phenol)is 9.88.The formula for the base is followed by the pK_a of its conjugate acid.

Which of the following represents the addition polymer formed from the compound below? CH₂=CH-CH₃

Which of the following is the balanced chemical equation that represents the addition of Cl₂ to CH₃CH=CH₂?

What are the correct products of the following reaction performed in the presence of an acid? C₃H₇COOCH₃ + C₂H₅OH →

Draw a clear mechanism for S_N1 substitution reactions.Make sure to indicate each step of the mechanism (if there is more than one)as well as to use arrows to show the electron flow.

Find the suitable base for the following reaction: $\quad$ CH₃C(=O)CH₃ + :B → CH₃C(=O)CH₂:^- + H:B⁺ The pK_a for CH₃C(=O)CH₃ (acetone)is 20.The formula for the base is followed by the pK_a of its conjugate acid.