TIGER

Assessment Questions: 46 results
Organic : HsOnAlkaneBackbone (10 Variations)

The carbon skeleton for 2-methylbutane is shown below. How many hydrogens are present?

Alkanes / Cycloalkanes |
Molecular Properties / Structure
Nomenclature (10 Variations)
A collection of 10 assessment questions about Nomenclature
Physical Properties |
Carboxylic Acids |
Esters |
Molecular Properties / Structure |
Aromatic Compounds |
Amines / Ammonium Compounds |
Phenols |
Nomenclature / Units / Symbols |
Alkanes / Cycloalkanes |
Stereochemistry
Gases : IDGasFromVelocity (8 Variations)
The following are graphs of molecular velocities versus the relative number of molecules for argon, chlorine, methane and xenon at 300K. Which graph is for argon?
Gases |
Molecular Properties / Structure
Gases : RealGases (6 Variations)
Which gas in the following list will have the greatest deviation from ideal behavior at STP?
Gases |
Molecular Properties / Structure
Matter_and_Measurement : ElemCompdMix (10 Variations)
Classify each of the following as an element, compound, or mixture.
Molecular Properties / Structure
Matter_and_Measurement : HomoOrHeteroMix (10 Variations)
Identify the following as homogeneous or heterogeneous mixtures.
Molecular Properties / Structure
Matter_and_Measurement : ThryOrHypothesis (6 Variations)
Identify each of the following statements as a theory or a hypothesis.
Molecular Properties / Structure
Matter_and_Measurement : ClassifyMatter (8 Variations)
Which of the following descriptions best classifies aluminum foil?
Molecular Properties / Structure
Stoichiometry : CombustionAnalysis (10 Variations)
While working in the lab, you find a bottle of white powder labeled "analgesic compound #5". Since the original investigator neglected to record the identity of the substance, you decide to perform a combustion analysis to identify the compound. You have a 65.7 g sample that when burned produces 182 g CO2 and 51.7 g H2O. What is the formula of this compound? (The compound only consists of C,H, and O.)
Stoichiometry |
Molecular Properties / Structure
Stoichiometry : FormulaFromComp (8 Variations)
Lactic acid is the substance that makes your muscles burn when you've been exercising hard. Lactic acid is composed of 40.0% carbon, 6.7% hydrogen, and 53.3% oxygen by weight. If it has a molar mass of 90 g/mol, what is its molecular formula?
Stoichiometry |
Molecular Properties / Structure
Bonding : ValenceElectrons (10 Variations)
Determine the number of valence electrons for each molecule or ion and match it with the number in the pull-down list to the right of the formula.
Molecular Properties / Structure
Bonding : DetermineStructure (8 Variations)
H A substance is analyzed and found to contain 57.10% carbon, 4.80% hydrogen and 38.06% oxygen by weight. Its molecular weight is determined to be 126.11 g/mol. Which of the structures shown are possible structures for the substance?
Molecular Properties / Structure |
Stoichiometry
Atoms,_Molecules_and_Ions : IonicOrMolecular (10 Variations)
Identify each of the following compounds as ionic or molecular.
Molecular Properties / Structure
Atoms,_Molecules_and_Ions : AllotropesOfElement (4 Variations)
Which of the following is an allotrope of oxygen? (You may select more than one.)
Molecular Properties / Structure
Atoms,_Molecules_and_Ions : AtomicRatio (10 Variations)
Which compound(s) contain the most nitrogen atoms per molecule or formula unit?
Molecular Properties / Structure |
Stoichiometry
Atoms,_Molecules_and_Ions : BinaryMolcFromImage (8 Variations)
Which of the following binary compounds could the figure below best represent?


Molecular Properties / Structure |
Stoichiometry
Atoms,_Molecules_and_Ions : IonicFormula (10 Variations)
Which pair of ions will form a compound of formula M2X?
Molecular Properties / Structure |
Stoichiometry
Atoms,_Molecules_and_Ions : IonicProperties (8 Variations)
Which of the following statements concerning the properties of ionic compounds is NOT correct?
Molecular Properties / Structure
Atoms,_Molecules_and_Ions : IonType (8 Variations)
Identify the following ion as monatomic or polyatomic and as an anion or a cation: Cr2O7-2
Molecular Properties / Structure
Atoms,_Molecules_and_Ions : CalcMolarMass (8 Variations)
What is the molar mass of potassium phosphate, K3PO4?

Enter the numeric value very carefully below, rounding to one decimal place only. Do not put the units in, but think about what the units are!

Molecular Properties / Structure |
Stoichiometry
Atoms,_Molecules_and_Ions : CompFromNanoPic (9 Variations)
__________ can be represented by the nanoscale diagram below.

Which of the following is the best choice to fill in the blank?


Molecular Properties / Structure
Biochemistry : Amphiphile (20 Variations)
Which of the following molecules is an amphiphile?
Molecular Properties / Structure |
Noncovalent Interactions
Biochemistry : StructureDef (4 Variations)
What kind of structure is defined by the linear sequence of amino acids in the protein chain?
Proteins / Peptides |
Molecular Properties / Structure
Biochemistry : Secondary (15 Variations)
What secondary structure element is represented by the green sequence in the following structure of the protein calmodulin?

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Proteins / Peptides |
Molecular Properties / Structure
Bonding : CompareBondLength (5 Variations)
Which of the following compounds has the shortest bond between nitrogen and oxygen?
Covalent Bonding |
Molecular Properties / Structure
Biochemistry : Tertiary (16 Variations)
Which of the following is NOT true about the tertiary structure of water-soluble proteins?
Proteins / Peptides |
Molecular Properties / Structure
Organic : AlkaneIsomers (8 Variations)
Pentane has several isomers. Which of the following condensed formulas is NOT an isomer of pentane?
Alkanes / Cycloalkanes |
Constitutional Isomers
Stoichiometry : CompareParticles (20 Variations)
Which has the greater number of particles, 1 mol O2 or 1 mol O?
Molecular Properties / Structure |
Atomic Properties / Structure
Bonding : IonicOrCovalent (10 Variations)
Match the following formulas to the correct type of bonding: ionic or covalent.
Molecular Properties / Structure |
Covalent Bonding |
Ionic Bonding
Intermolecular_Forces__Liquids_and_Solids : BoilingPoint (10 Variations)
Which of the following substances has the highest boiling point?
Liquids |
Noncovalent Interactions |
Molecular Properties / Structure
Intermolecular_Forces__Liquids_and_Solids : IntermolecularForces (10 Variations)
For which of the following compounds is hydrogen bonding the strongest?
Noncovalent Interactions |
Molecular Properties / Structure |
Hydrogen Bonding
Intermolecular_Forces__Liquids_and_Solids : OrganicBoilingPoint (11 Variations)
Which of the following organic compounds has the highest boiling point?
Noncovalent Interactions |
Molecular Properties / Structure |
Hydrogen Bonding
Organic : AlkaneNomenclature (10 Variations)
What is the correct name for the following compound:
CH3CH2CH2CH3

Alkanes / Cycloalkanes |
Nomenclature / Units / Symbols
Organic : FindIdenticalIsomers (20 Variations)
Which of the following structural isomers for C6H14 are actually the same structure?
Alkanes / Cycloalkanes |
Alkenes |
Constitutional Isomers
Organic : IDChiralAtoms (20 Variations)
Identify the chiral carbon atom(s), if any, in the following structure. The carbon atoms have been numbered for easier identification.



Alkanes / Cycloalkanes |
Chirality / Optical Activity
Reactions : HighOxNumber (10 Variations)
In which of the following does sulfur have the highest oxidation number?
Atomic Properties / Structure |
Periodicity / Periodic Table |
Molecular Properties / Structure
Reactions : IDOxidationNumber (10 Variations)
What is the oxidation number of sulfur in barium sulfate (BaSO4)?
Atomic Properties / Structure |
Periodicity / Periodic Table |
Molecular Properties / Structure
Alkanes (22 Variations)
A collection of 22 assessment questions about Alkanes
Alkanes / Cycloalkanes |
Conformational Analysis |
Nomenclature / Units / Symbols |
Lewis Structures |
Stereochemistry |
Reactions
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
Stereochemistry (21 Variations)
A collection of 21 assessment questions about Stereochemistry
Stereochemistry |
Conformational Analysis |
Chirality / Optical Activity |
Alkanes / Cycloalkanes |
Alkenes |
Alcohols |
Enantiomers |
Diastereomers |
Carbohydrates |
Carboxylic Acids |
Nomenclature / Units / Symbols |
Esters
Functional Groups (9 Variations)
A collection of 9 assessment questions about Functional Groups
Reactions |
Amines / Ammonium Compounds |
Alkanes / Cycloalkanes |
Conformational Analysis |
Nomenclature / Units / Symbols |
Aldehydes / Ketones |
Carboxylic Acids |
Amides |
Ethers
NMR (19 Variations)
A collection of 19 assessment questions about NMR
NMR Spectroscopy |
Alkenes |
Alkynes |
Aldehydes / Ketones |
Aromatic Compounds |
Alkanes / Cycloalkanes |
Epoxides |
Ethers |
Alcohols |
Phenols |
IR Spectroscopy |
Esters
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
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
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
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