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Assessment Questions: 69 results
Carboxylic Acids (14 Variations)
A collection of 14 assessment questions about Carboxylic Acids
Carboxylic Acids |
Acids / Bases |
Esters |
Amides |
Reactions |
Synthesis |
Grignard Reagents |
Ethers |
Oxidation / Reduction |
Alkenes |
Heterocycles |
Amines / Ammonium Compounds |
Aldehydes / Ketones
Amines (30 Variations)
A collection of 30 assessment questions about Amines
Amines / Ammonium Compounds |
Synthesis |
Acids / Bases |
Reactions |
Amides |
Electrophilic Substitution |
Stereochemistry |
Carboxylic Acids |
Oxidation / Reduction |
Aldehydes / Ketones |
Alkanes / Cycloalkanes |
Dyes / Pigments |
Grignard Reagents
Reactions : StrongWeakAcidBase (10 Variations)
Which of the following are strong acids?
Acids / Bases
Reactions : AcidBaseRxns (20 Variations)
In order to answer the following questions, write the net ionic equation for the reaction between equal volumes of 0.10 M solutions of the following acid and base:

KOH(aq) + HBr(aq)

What are the reaction products? Does the reaction yield an acidic, basic, or neutral aqueous solution?


Acids / Bases |
Reactions |
pH
Electrochemistry : CalcDeltaGfromE (20 Variations)
The following electrochemical data may be helpful in answering the question below.

Calculate the dGo for the oxidation of 2 mole of silver in the following balanced reaction.

2Ag(s) + CaI2(aq) a Ca(s) + 2AgI(s)


Electrochemistry |
Oxidation / Reduction
Electrochemistry : CalcStandRedPotential (20 Variations)
The following electrochemical data may be helpful in answering the question below.

Calculate Eo for the following balanced reaction.

Fe(s) + Fe2(SO3)3(s) Arrow 3FeSO3(s)


Electrochemistry |
Oxidation / Reduction
Electrochemistry : GeneralCorrosion (10 Variations)
Which of the following statements not is true?
Electrochemistry |
Oxidation / Reduction
Electrochemistry : GeneralElectrochem (20 Variations)
Which of the following statements is not correct?
Electrochemistry |
Oxidation / Reduction
Electrochemistry : SacrificialAnode (10 Variations)
The following electrochemical data may be helpful in answering the question below.

One method for protecting metals against corrosion is to connect the metal directly to a "sacrificial anode". This is the method used to protect pipelines and ships hulls. Which of the following metals would you consider the best candidate for a sacrificial anode for a ship's hull? The hull is steel (which is mostly iron).


Electrochemistry |
Oxidation / Reduction |
Metals
Organic : AlcoholOxidation (10 Variations)
Which of the following alcohols will be oxidized by potassium permanganate to form a ketone?
Alcohols |
Oxidation / Reduction
Reactions : RedoxAgents (10 Variations)
Identify each of the following as a reducing agent or an oxidizing agent.
Oxidation / Reduction |
Reactions
Reactions : NotRedoxRxn (4 Variations)
Which of the following is a NOT a redox reaction?
Oxidation / Reduction |
Reactions
Imines (8 Variations)
A collection of 8 assessment questions about Imines
Aldehydes / Ketones |
Oxidation / Reduction
Electrochemistry : CalcInterpretEo (20 Variations)
The following electrochemical data may be helpful in answering the question below.

Consider a cell composed of the following half-reactions. Determine the magnitude of E° for the cell and decide whether the reaction will be product-favored or reactant-favored as written.

Cr(s)  Cr3+(aq) + 3e-
Ce4+(aq) + e-  Ce3+(aq)

Electrochemistry |
Oxidation / Reduction
Electrochemistry : IDHalfRxns (20 Variations)
What are the half-reactions for the reaction of Cs and Cl2 in the formation of CsCl2?

Cs + Cl2 Arrow CsCl2


Electrochemistry |
Oxidation / Reduction
Electrochemistry : IDRedOxAgents (20 Variations)
In the following balanced reaction, identify the oxidizing and reducing agents.

Fe + Fe2(SO3)3 Arrow 3FeSO3


Electrochemistry |
Oxidation / Reduction
Acids_and_Bases : LewisAcidBaseRxns (19 Variations)
Identify the Lewis Acid and Base in the reaction of Ag+ and NH3 to form Ag(NH3)2+
Acids / Bases |
Reactions |
Aqueous Solution Chemistry |
Lewis Acids / Bases
Aldehyde and Ketone Addition (2 Variations)
A collection of 2 assessment questions about Aldehyde and Ketone Addition
Aldehydes / Ketones |
Acids / Bases |
Reactions
Amides (1 Variations)
A collection of 1 assessment questions about Amides
Carboxylic Acids |
Amides |
Oxidation / Reduction
Nitriles (1 Variations)
A collection of 1 assessment questions about Nitriles
Carboxylic Acids |
Alkylation |
Oxidation / Reduction
Epoxides (5 Variations)
A collection of 5 assessment questions about Epoxides
Epoxides |
Reactions |
Oxidation / Reduction |
Synthesis
Acids_and_Bases : IonizationSteps (20 Variations)
Citric acid (which is a triprotic acid) has the following structure:

Which of the following equations corresponds to the first ionization step of the acid?

Acids / Bases |
Reactions |
Aqueous Solution Chemistry
Acids_and_Bases : MolcScaleAcidBase (10 Variations)
Study the four drawings below and then decide which best represents an aqueous solution that has

(Water molecules are not shown in the diagrams.)


Acids / Bases |
Reactions |
Aqueous Solution Chemistry
Acids_and_Bases : ConjugateAcidBase (20 Variations)
Identify the acid and base that are reactants and the conjugate acid and conjugate base that are products in the following equation:
HI(aq) + H2O(l)  H3O+(aq) + I-(aq)

Acids / Bases |
Reactions |
Aqueous Solution Chemistry
Acids_and_Bases : HendersonHassel (20 Variations)
You may want to use the following acid/base table to answer the question below.

Papain is a thiol protease isolated from papaya. The optimal pH for its enzymatic activity is 6.0-7.0. Which of the following buffering systems would work best for a laboratory experiment requiring active papain at pH 6.5? What molar ratios of the compounds would you use to prepare the solution?


Acids / Bases |
Reactions |
Aqueous Solution Chemistry
Acids_and_Bases : IDLewisAcidBase (20 Variations)
Which of the following is a Lewis acid?
Acids / Bases |
Reactions |
Aqueous Solution Chemistry
Acids_and_Bases : ReactProductFavored (20 Variations)
You may want to use the following acid/base table to answer the question below.

Which of the following reactions will be product -favored?


Acids / Bases |
Reactions |
Aqueous Solution Chemistry
Acids_and_Bases : WeakStrongAcidPics (11 Variations)
Which diagram best represents an aqueous solution of HCl? (Water is not shown.)


Acids / Bases |
Reactions |
Aqueous Solution Chemistry
Acids_and_Bases : ChooseIndicator (8 Variations)

A 25.0 mL aliquot of a 1.44M solution of ammonia (Kb = 1.8 x 10-5) is titrated with 1.50M HCl. Use the Indicator Table below to decide which of the indicators listed would most accurately signal the equivalence point for this titration.

Write the letter corresponding to your choice of indicator in the box.


Acids / Bases |
Reactions |
Aqueous Solution Chemistry |
pH
Acids_and_Bases : SolnGrams (20 Variations)
How many grams of sodium hydroxide (NaOH) must be dissolved in 510 ml of water to make a solution with a pH = 8.1?
Acids / Bases |
Reactions |
Aqueous Solution Chemistry |
pH
Acids_and_Bases : ProtonTransferRxn (20 Variations)
Write an equation to describe the proton transfer that occurs when the following acid is added to water: HSO4-
Enter the products in the space below using the following as an example:
What ions are present in an aqueous calcium nitrate solution?
Ca(NO3)2(aq) Ca2+(aq) + 2NO3-(aq)
In this case, the answer would be: Ca2+(aq) + 2NO3-(aq)
You should enter: Ca^(2+) + 2NO3^(-)
In other words, use the ^ to indicate superscripts; put charges in parentheses; and leave a space on either side of the + sign. Your answer must be an exact match for the computer to grade it correctly, so be careful.

What products will result when HSO4- is added to water?

Acids / Bases |
Reactions |
Aqueous Solution Chemistry
AcidBaseProducts (10 variations)
The following acid/base table may be useful in answering the question below.

What products will result when HSO4- is added to water? Complete and balance the reaction below.

HSO4- + H2O ?


Acids / Bases |
Reactions |
Aqueous Solution Chemistry
Acids_and_Bases : AcidBaseProperties (10 Variations)
Which of the following are properties of HCl?
Acids / Bases |
Reactions |
Aqueous Solution Chemistry
Acids_and_Bases : AcidicOrBasicSalt (20 Variations)
When dissolved in an aqueous solution, which of the following salts will yield an acidic solution?
Acids / Bases |
Reactions |
Aqueous Solution Chemistry
Acids_and_Bases : PercentDissociationKa (3 Variations)
Calculate the percent dissociation in a {x}M aqueous solution of the weak acid HA. (Ka = {y} x 10-4)

Enter your answer to ONE decimal place.
DO NOT use scientic notation.
DO NOT write in the units.


Acids / Bases |
Reactions |
Aqueous Solution Chemistry |
Equilibrium
Electrochemistry : ElectrolysisHalfRxns (20 Variations)
The following electrochemical data may be helpful in answering the question below.

What will be the products of the electrolysis of an aqueous solution of Tin (II) sulfate (SnSO4)? (The electrodes themselves are platinum.)


Electrochemistry |
Oxidation / Reduction |
Electrolytic / Galvanic Cells / Potentials
Acetals (9 Variations)
A collection of 9 assessment questions about Acetals
Aldehydes / Ketones |
Oxidation / Reduction |
Reactions |
Mechanisms of Reactions
Oxidation Reduction Reactions (2 Variations)
A collection of 2 assessment questions about Oxidation Reduction Reactions
Aldehydes / Ketones |
Oxidation / Reduction |
Carboxylic Acids |
Esters
Carbohydrates (17 Variations)
A collection of 17 assessment questions about Carbohydrates
Carbohydrates |
Reactions |
Enantiomers |
Diastereomers |
Oxidation / Reduction |
Synthesis
Electrochemistry : BatteryHalfRxns (20 Variations)
The two half-reactions for the LeClanche dry cell battery are shown below. Identify the oxidizing and reducing agents in this cell.

Zn(s) Arrow Zn2+(aq) + 2e-
2NH4+(aq) + 2e- Arrow 2NH3(g) + H2(g)


Electrochemistry |
Oxidation / Reduction |
Electrolytic / Galvanic Cells / Potentials
Electrochemistry : ECellObservations (20 Variations)

Consider the electrochemical cell diagram shown below. As you observe the reaction in the cell, you notice that the tin electrode seems to be disappearing while there are deposits forming on the silver electrode. Which of the following is a correct statement?


Electrochemistry |
Oxidation / Reduction |
Electrolytic / Galvanic Cells / Potentials
Electrochemistry : ElectrolysisCalcs (20 Variations)
Calculate the mass of gold that could be plated from a solution with a current of 0.40 A for 22 min.

Au3+(aq) + 3 electrons Arrow Au(s)


Electrochemistry |
Oxidation / Reduction |
Electrolytic / Galvanic Cells / Potentials
Electrochemistry : FuelCellsAndBatteries (20 Variations)
Determine whether the following descriptions are characteristic of fuel cells, primary batteries, secondary batteries or both batteries and fuel cells.
Electrochemistry |
Oxidation / Reduction |
Electrolytic / Galvanic Cells / Potentials
Electrochemistry : BalanceRedoxRxn (20 Variations)
The following electrochemical data may be helpful in answering the question below.

Magnesium reacts with nitric acid to form magnesium nitrate and nitrogen monoxide in an acidic aqueous solution. Write the balanced equation for this reaction.


Electrochemistry |
Oxidation / Reduction |
Electrolytic / Galvanic Cells / Potentials
Electrochemistry : BatteryDesign (8 Variations)
Students are attempting to construct a battery in the laboratory that will light up a light bulb. Compare the following lists prepared by students and determine which student will not be able to successfully build a "battery" that will light up the bulb.
Electrochemistry |
Oxidation / Reduction |
Electrolytic / Galvanic Cells / Potentials
Acids_and_Bases : TitrationCurveKaKb (8 Variations)
Study the graph of the titration of a weak acid with a strong base shown below. What is the approximate Ka for this acid?


Acids / Bases |
Reactions |
Aqueous Solution Chemistry |
Titration / Volumetric Analysis
Acids_and_Bases : PracticalAcidBase (20 Variations)
Which of the following statements is true?
Acids / Bases |
Reactions |
Aqueous Solution Chemistry |
Physical Properties
Acids_and_Bases : WaterAutoIonization (20 Variations)
What effect will the addition of H2CO3 have on the autoionization of water?


Acids / Bases |
Reactions |
Aqueous Solution Chemistry |
Water / Water Chemistry
Acids_and_Bases : WeakAcidSolnpH (20 Variations)
Given an aqueous solution of 0.30 M acetic acid (Ka = 1.8 x 10-5), the pH is approximately ...
Acids / Bases |
Reactions |
Aqueous Solution Chemistry |
pH |
Equilibrium
Acids_and_Bases : BufferingCapacity (20 Variations)
If a buffer is prepared using 0.75 mol CH3COOH and 0.45 mol CH3COO- in 1 liter of aqueous solution, is the buffering capacity of the solution great enough to maintain its pH if 10 g NaOH is added?
Acids / Bases |
Reactions |
Aqueous Solution Chemistry |
pH |
Equilibrium
Acids_and_Bases : pHDilution (6 Variations)
What is the pH of a solution made by diluting {x} mL of {y} M HNO3(aq) to a total volume of 500 mL?

Enter your answer to two decimal places.
DO NOT use scientific notation

Acids / Bases |
Reactions |
Aqueous Solution Chemistry |
pH |
Equilibrium
Acids_and_Bases : pHBufferCalc (4 Variations)
Calculate the pH of a buffer solution containing {x}M NH3 and {y}M NH4NO3.

Enter your answer to TWO decimal places.
DO NOT use scientific notation.
DO NOT enter units
        eg:     4.55

Acids / Bases |
Reactions |
Aqueous Solution Chemistry |
pH |
Equilibrium
Acids_and_Bases : BufferWeakStrong (7 Variations)
How many mL of a 2.50 M HCl solution must be added to 500 mL of a 0.150 M CO32- solution to make a buffer with pH = 10.00?
Acids / Bases |
Reactions |
Aqueous Solution Chemistry |
pH |
Equilibrium
Acids_and_Bases : CalcSolnpH (5 Variations)
Use this acid/base table to answer the question below.

Calculate the pH of a {x}M sodium acetate solution.

DO NOT use scientific notation
Enter your answer to two decimal places.
DO NOT enter units

Acids / Bases |
Reactions |
Aqueous Solution Chemistry |
pH |
Equilibrium
Acids_and_Bases : BufferWeakWeak (14 Variations)
What mass of potassium bicarbonate (KHCO3) must be added to 500 mL of a 0.200 M carbonic acid solution to make a buffer with pH = 6.30?
Acids / Bases |
Reactions |
Aqueous Solution Chemistry |
pH |
Equilibrium
Esters (8 Variations)
A collection of 8 assessment questions about Esters
Carboxylic Acids |
Esters |
Reactions |
Alcohols |
Aldehydes / Ketones |
Oxidation / Reduction
IR (6 Variations)
A collection of 6 assessment questions about IR
IR Spectroscopy |
Oxidation / Reduction |
Aldehydes / Ketones |
Alcohols |
Alkenes |
Alkynes |
Ethers
Acid Base (44 Variations)
A collection of 44 assessment questions about Acid Base
Acids / Bases |
Carboxylic Acids |
Alcohols |
Phenols |
Reactions |
Alkanes / Cycloalkanes |
Aldehydes / Ketones |
Esters |
Alkenes |
Alkynes |
Amines / Ammonium Compounds |
Ethers |
Lewis Acids / Bases |
Amides |
Amino Acids
Aldol Reactions (30 Variations)
A collection of 30 assessment questions about Aldol Reactions
Aldehydes / Ketones |
Esters |
Amides |
Carboxylic Acids |
Mechanisms of Reactions |
Acids / Bases |
Reactions |
Synthesis |
Elimination Reactions |
Resonance Theory
Synthesis (11 Variations)
A collection of 11 assessment questions about Synthesis
Aldehydes / Ketones |
Synthesis |
Esters |
Oxidation / Reduction |
Alkynes |
Organometallics |
Alcohols |
Electrophilic Substitution
Alkenes and Alkynes (31 Variations)
A collection of 31 assessment questions about Alkenes and Alkynes
Alkenes |
Addition Reactions |
Alkynes |
Carbocations |
Stereochemistry |
Reactions |
Nomenclature / Units / Symbols |
Alcohols |
Epoxides |
Oxidation / Reduction |
Grignard Reagents
Amino Acids (10 Variations)
A collection of 10 assessment questions about Amino Acids
Amino Acids |
Stereochemistry |
Acids / Bases |
Amines / Ammonium Compounds |
Carboxylic Acids |
Nucleic Acids / DNA / RNA |
Proteins / Peptides |
Synthesis |
Aldehydes / Ketones
Covalent Bonding (11 Variations)
A collection of 11 assessment questions about Covalent Bonding
Carboxylic Acids |
Acids / Bases |
Resonance Theory |
Covalent Bonding |
Phenols |
Amines / Ammonium Compounds |
Free Radicals |
Alkenes |
Amides |
Ethers
Phenols and Aryl Halides (9 Variations)
A collection of 9 assessment questions about Phenols and Aryl Halides
Phenols |
Acids / Bases |
Reactions |
Alcohols |
Amines / Ammonium Compounds |
Carboxylic Acids |
Aromatic Compounds |
Ethers |
Alkylation |
Synthesis |
Esters |
Electrophilic Substitution
Aromatic (26 Variations)
A collection of 26 assessment questions about Aromatic
Aromatic Compounds |
Nomenclature / Units / Symbols |
Reactions |
Electrophilic Substitution |
Mechanisms of Reactions |
Oxidation / Reduction |
Resonance Theory |
Addition Reactions |
Carbocations |
Synthesis
Bonding (34 Variations)
A collection of 34 assessment questions about Bonding
Molecular Properties / Structure |
Covalent Bonding |
IR Spectroscopy |
VSEPR Theory |
Aromatic Compounds |
Lewis Structures |
Resonance Theory |
Aldehydes / Ketones |
Carboxylic Acids |
Acids / Bases
Organometallic (13 Variations)
A collection of 13 assessment questions about Organometallic
Organometallics |
Grignard Reagents |
Epoxides |
Alcohols |
Esters |
Alkanes / Cycloalkanes |
Aldehydes / Ketones |
Synthesis |
Ethers |
Aromatic Compounds |
Reactions |
Carboxylic Acids |
Alkenes |
Amines / Ammonium Compounds |
Acids / Bases |
Alkynes
Alcohols and Ethers (22 Variations)
A collection of 22 assessment questions about Alcohols and Ethers
Alcohols |
Synthesis |
Oxidation / Reduction |
Aldehydes / Ketones |
Alkenes |
Carboxylic Acids |
Grignard Reagents |
Ethers |
Reactions |
Mechanisms of Reactions |
Organometallics |
Nomenclature / Units / Symbols |
Physical Properties
Oxidation Reduction (21 Variations)
A collection of 21 assessment questions about Oxidation Reduction
Oxidation / Reduction |
Esters |
Oxidation State |
Reactions |
Aldehydes / Ketones |
Alcohols |
Carboxylic Acids |
Alkynes |
Alkenes |
Alkanes / Cycloalkanes |
Aromatic Compounds |
Phenols |
Amides |
Amines / Ammonium Compounds