Question: 10. Select the best reagents for the

> Determine the products formed in each reaction. .CCH CCH CCH D H CH H,C H c1 a1 CCH CHCH,CHCH (CH,CHCCHCH, (CH,CH)CCCCH,CH, b b1 A. CI HC CO H,C H ec=CCH,CH B. (CH3CH2);CCI CI HC CO C. H D

> Determine the products formed in each reaction. If there is no reaction, label the reaction as "no reaction". [1] LDA no reaction (2] CH;CH,I to Nal of (1] LDA [2) CH;CH2I of (1] NaOEt 2] CH,CH 131 HO OEt

> Write the formula for each ionic compound below, and circle if the compound is Ionic or Molecular. If the compound is ionic, circle if it is water soluble. Circle If Ionic, water soluble? Compound Formula Ionic or Molecular Yes or No 1 manganese(IV)

> Classify the following compounds according to their type as ionic or molecular, respectively. PCl5, KBr, AlCl3 molecular, ionic, ionic ionic, ionic, ionic ionic, molecular, molecular molecular, ionic, molecular

> A. Kr Draw the Lewis dot structure for Kr. B. P Draw the Lewis dot structure for P. C. B Draw the Lewis dot structure for B. D. Na Draw the Lewis dot structure for Na.

> Which compound below exhibits resonance? In other words, which has resonance structures when the Lewis dot structure is drawn? a. NaF b. H2O c. NO31- d. C2H2 e. PF3

> Lewis structure, number of electron regions, hybridization, electric geometry, number of lone pairs, molecular geometry, bond angles and polar or non-polar for trisulfur S3

> Classifying Ionic versus Covalent / Lewis Dot Structures of Atoms Classify the following compounds as ionic ([metal or ammonium ion) + (non-metal or polyatomic ion]), covalent (nonmetal+ nonmetal). CaCl2 CO2 H20 BaSO4 K20 NaF NazCO3 CH4 SO, LiBr MgO

> Determine the overall charge on each complex. 1. tetrachlorocuprate(II) 2. tetraaquadichlorochromium(III

> A. Is SiH4 polar or nonpolar B. Is SCl2 polar or nonpolar C. Is BeBr2 polar or nonpolar D. Is NOCl polar or nonpolar E. Is AlBr3 polar or nonpolar

> Which of the following compounds are polar? Select "polar" or "nonpolar" for each compound. Polar Nonpolar ICl5 Polar Nonpolar PBr5 Polar Nonpolar SeCl4 Polar Nonpolar KrCl4 Polar Nonpolar KrCl2 Polar Nonpolar TeF6 Polar Nonpolar BrF3

> Rank the following carbocations in order of decreasing stability. Rank the following carbocations in order of decreasing stability. (CH)„ċCH,CH, CH,CH,CH-CH H CH,CH=CCH, 2 2>1>4> 3 3>4 > 2>1 2>1>3>4 4 > 3 >2>1

> Draw these Lewis structures: methanol, acetic acid, dimethyl ether.

> Which of the following choices describes the most likely product and mechanism of the following reaction conditions? Which of the following choices describes the most likely product and mechanism of the following reaction concitions? OMs ,E2 OH Sub

> The reaction below is most likely going through which mechanism? (SN1, SN2, E1, or E2) The reaction below is most likely going through which mechanism? (SN1, SN2, E1, or E2) OH HBr Br KCN CN Br

> Which of the following choices describes the most likely product and mechanism of the following reaction conditions? Which of the following choices describes the most likely product and mechanism of the following reaction conditions? Which of the fol

> Which is the most likely first step in the mechanism for this reaction? 20 H3O* + H2O + H2O + H2O 1. + H2O

> Draw the 3D structure for each molecule and state the hybridization of each central atom. a. ICl2- b. IF2+ c. SnI2

> Which is the most likely first step in the mechanism for this reaction? H-Br

> Sketch the defect structure formed when NiO is doped with NiCl2 (CI replaces O2- in the lattice).

> Hydrogen 02 Oxide Lewis Structure AsCls Name Lewis Structure BrFs Name: Lewis Structure VSEPR: Name XeF2 Lewis Structure Name Hydrosen Oxide Lewis Structure AsCis Name: Lewis Structure Name: Lewis Structure VSEPR: Name: XeF2 Lewis Structure

> Provide a Lewis structure and a condensed structure for the following skeletal line structures. LEWIS STRUCTURE: CONDENSED STRUCTURE:

> reatment of an aqueous solution of NiCl2 with the ligand H2NCHPhCHPhNH2 gives a blue complex (μeff = 3.30μB). Upon heating, it loses water to form a yellow, diamagnetic compound. Draw the Lewis structure of the ligand and clearly identify the donor atom(

> The molecule shown below is Doxaprost, an orally active bronchodilator a. Circle and label all the functional groups which occur in this molecule (Hint: you are looking for 4) b. Are there any locations in this molecule where cis- or trans- arrangements

> Label the molecules below as cis or trans. HO HO OH OH но ÓH ÓH

> Label the following molecules as being cis or trans HO но. Br

> Label the following molecules as being cis or trans HO Br Br

> Label each molecule as either cis or trans. Draw both the cis and trans structures for 1,3 -Difluorocvclohexane using dashes and wedges. Br Br Br A. В.

> Draw the structure for IF2 -. Determine the molecular and electron geometry of the ion. What is the hybridization of the central atom?

> Label the molecules as cis or trans. Br Br A) Br B) D) Br CI does not apply does not apply does not apply does not apply cis trans cis trans trans cis trans cis

> Draw the Lewis structure, find the total electron regions, determine the electronic geometry, # of bonding and non-bonding regions, and lastly, the molecular geometry for the following: 1. GaI3 2. PCl2F3 3.BrF3 4. SF6 5. (SnF6)2-

> Lewis Structure for: PO4 -3 GaI3 Cl3CCF3 COCl2 SnF6-2 SnF2

> 2. Label the conformation of the molecule as either cis or trans 3. Label the following molecules as either chiral or achiral Et OH CI (Bu 'Me Br HO Et NH2 Me Br

> Label the following molecules as being cis or trans. CI

> Determine the overall charge on each complex. a. hexachloroplatinate(IV) b. triamminetriiodocobalt(III) c. diaquadichloroethylenediaminecobalt(III)

> What is the pH of a solution of 0.054 M propanoic acid? The pKa of propanoic acid is 4.87.

> Which of the following chairs is galactose (Fischer projection drawn)? Are these structures drawn in the alpha- or beta- configurations? ON OH Ow OH но ON OH он HO HO II II IV

> CuO, ionic or molecular KI, ionic or molecular PCl3, ionic or molecular

> Dehydration of 2-methyl-2-pentanol forms one major and one minor organic product. Draw the structures of the two organic products of this reaction. Major Product Minor Product ;ÖH H. H2SO4 H. H H 2-methyl-2-pentanol H H. H

> Select the molecule or ion with the INCORRECT hybridization for the central atom. a. IF2- sp b. 1F4+ sp3d c. IBr4- sp3d2 d. AsF3 sp3 e. Cl2CO sp2

> Which of the following processes are exothermic? A. Rubbing alcohol feels cold on the skin B. Molten metal solidifies C. A match burns

> Is water a good buffering system? Please explain.

> Draw the Lewis dot structure for NaF CaO K2O

> Which of the following processes are exothermic? Select all that are True. crystallization vaporization melting sublimation

> Hydrazine, N2H4, is a base with base strength constant Kb = 10-6.10 M, i.e. for the equilibrium: The equilibrium constant is K = 10-3.15 for the reaction: 4c. Calculate the acid dissociation constant, Ka', for acetic acid, CH3COH NH4 + H2O NHs +

> For a particular isomer of C8H18, the following reaction produces 5113.3 kJ of heat per mole of C8H18(g) consumed, under standard conditions. What is the standard enthalpy of formation of this isomer of C8H18? 25 C,H,„g) + 2 o,g) → sco,g) + 9H,O[g)

> Draw the Lewis dot structure for NaF.

> Which compound matches the IR spectrum? wavelength, micrometers 7 8 2.6 2.8 3 3.5 4 4.5 5.5 6 9 10 11 12 13 14 1516 100 80 60 40 20 3800 3400 3000 2600 2200 2000 1800 1600 1400 1200 1000 800 600 wavenumber, cm1 dipropyl ether 1-hexen-3-ol Which compo

> 12. Select the best reagents for the reaction below. он + enantiomer он 1) Hg(OAc)2, Hz0; 2) NaBH, O H;SO4, H20 O 1) 0,; 2) DMS O 1) Os04; 2) NaHSO,, H20 1) RCO,H; 2) H,0* Testbank, Question 014 Select the best reagents for the reaction below.

> Give the geometry, molecular shape about the central atom and hybridization for each central atom of: 1. H2C=C=CH2 2. IF2- 3. PCl4- 4. HONO2

> Write the formula for each ionic compound below, and circle if the compound is Tonic or Molecular. If the compound is ionic, check if is water soluble or water insoluble. Name Formula Circle If lonic, circle Lonic or Molecular soluble or insoluble ca

> Is water a good buffer? Why or why not?

> Determine whether the following molecules are polar or nonpolar: a. NBr3 b. OCS c. XeF4

> Name the following alkenes using systematic names. H3C CH3 H3C H. CH2 CH2 CH2 CH3 CH2 H3C CH3 Br. CH2 CH2 CHa

> Explain why CO2 is nonpolar, but OCS is polar.

> Hydrazine, N2H4, is a base like ammonia. it reacts with an acid such as H2SO4acid according to the equation: What mass of Hydrazine will react with 231.0mL of 0.220 M of sulfuric acid? N2H4(aq) + H2SO4(aq) N2H5*(aq) + SO4 2

> Molecule H Lewis structure Hybridization TeF6 Number of valence electrons Number of σ and π bonds 0: n: Number of bonded atoms on central atom Molecule H Lewis structure Hybridization TeF. Number of valence Number of o and n ele

> Classify the following compounds according to type as ionic or molecular, respectively: NF3, HBr, HgCl2 a. molecular, ionic, molecular b. molecular, molecular, ionic c. molecular, ionic, ionic d. ionic, molecular, molecular

> Consider the following chemical compounds. Classify each as either an IONIC or a MOLECULAR compound. ionic/ molecular NO ionic/ molecular CaSe ionic/ molecular HCl ionic/ molecular LiI ionic/ molecular LiCl ionic/ molecular HF

> Some chemical compounds are listed in the first column of the table below. Each compound is soluble in water. Imagine that a few tenths of a mole of each compound is dissolved in a liter of water. The important chemical species that would be present in t

> How do you find the hybridization for these molecules? CH3CH2OH, CH3COOH, CH3CN, CH3OCH3, IF2(-), SO4(2-)

> Determine the MOLECULAR GEOMETRY of N2O, as well as the hybridization state of the central nitrogen atom.

> Classify each chemical compound as ionic or molecular: 1. MnP ionic or molecular? 2. AlOH3 ionic or molecular? 3. C3S2 ionic or molecular?

> Draw the Lewis dot structure for the following atoms, ions or molecules and predict the shapes. Br Br- S2- Mg Mg2+ N3- 02- K, K+ NaF CaC12 HBr

> Arrange the atom and ions according to radius Largest radius Smallest radius Answer Bank Rb+ Rb Rb-

> Arrange the atom and ions according to radius. Largest radius Smallest radius Answer Bank K K K

> B. Draw the main Lewis structure of NOF Draw nonbonding electrons using the dot notation and bonding electrons as a bond. Place the following elements in order of decreasing atomic radius: chlorine (CI), lead (Pb), alumin Rank the atomic radius from

> Draw the main Lewis structure of NOF. Draw nonbonding electrons using the dot notation and bonding electrons as a bond.

> Which of the following processes are exothermic, and which are endothermic? a. ice cubes melt endothermic exothermic b. snow melts endothermic exothermic c. propane burns in your grill endothermic exothermic

> Provide the IUPAC name for this compound.

> In the reaction, HClO3+N2H4 ⇌ ClO3- + N2H5+ which species are an acid-base pair? HCIO3, N2H4 CIO3-, N2H5+ HCIO3, N2H5+ N2H4, CIO3- N2H4, N2H5+

> Draw the 3D structure for each molecule and state the hybridization of the central atom. ICl2- IF2+ SnI2 CO2 HCN

> Give the products in the following acid-base reactions. Identify the conjugate acid-base pairs. A. N2H5+ + CH3COO- ---> ___ + ___ Conjugate acid-base pairs: N2H5+, ___ CH3COO-, ___ B. S2-+ H2SO3 ---> ___ + ___ Conjugate acid-base pairs: S2-, ___ H2SO3,

> Name the following compound: Spell out the full name of the compound.

> Name the following compound 2H CH3 H3C OINTS: 1 Name the following compound H3C CH3 DINTS: 1 Name the following compound || C-H INTS: 1 Name the following compound NO2 F POINTS: 1 - Name the following compound Br - NH2 .C1 HO.

> The pKa of propanoic acid (propionic acid), CH3CH2COOH, is 4.87. Consider an equilibrium mixture of propanoic acid and its conjugate base with a pH of 4.87. Draw the structure of the form (acid or conjugate base) that predominates after a decrease in [H3

> What is the pH of a solution of 0.054 M propanoic acid? The pKa of propanoic acid is 4.87. A. 5.90 B.4.30 C.3.07 D.7.00 E. 4.87

> If a propanoic acid/propanoate buffer is 0.025 M in propanoic acid and has a pH of 5.23, what is the molar concentration of the propanoate ion? The pKa of propanoic acid is 4.89.

> Write the formula for each ionic compound below, and circle if the compound is Ionic or Molecular. Compound Circle Formula Ionic or Molecular carbonic acid Ionic or Molecular lead(IV) phosphate Ionic or Molecular chromium(III) nítrite Ionic or Molecu

> Write a balanced molecular and net ionic equation that represents the hydrolysis of the following aqueous weak acids or bases. a. KC6H5COOH(aq) b. C6H5NH3CL(aq) c. C2H5NH2(aq) d. C6H5OH(aq)

> i. draw the Fischer projection for each carbohydrate below ii. label Fischer structure as a ketose or aldose iii. draw both stereoisomers for the cyclic hemiacetal iv. label each hemiacetal as α or β anomer a. Glucose Fi

> Fischer projection of D-glucose Haworth (cyclic) formulas α-D-glucose How does the structure of D-glucose compare to the structure of D-galactose? A.2 Fischer projection of D-glucose Haworth (cyclic) formulas a-D-glucose B-D-glucose A.

> Identify the conjugate base for each acid. Conjugate base of H2S Conjugate base of H2PO4- Conjugate base of NH4+

> 2. Draw the lewis structure and identify the functional group in each of the compounds below: a. (CH3CO)2CO b. C2H5NH2 c. C3H7NO2 d. (CH3)2CHCONH2 e. C4H9CN

> A popular scuba tank is the "aluminum 80" so named because it can deliver 80 cubic feet of air at "normal" temperature (72 degrees F) and pressure (1.00 atm,14.7 psi) when filled with air at a pressure of 3000 psi. A particular aluminum 80 tank has a mas

> Circle whether the following compounds are ionic or molecular. A. CuCl2 Ionic or Molecular B. SO3 Ionic or Molecular C. MGCO3 Ionic or Molecular

> Select the statements below that are true for this chemical equation: Pb2+ (aq) + Mg(s) → Mg2+ (aq) + Pb(s). There may be more than one correct statement. A. Mg is oxidized. B. Mg2+(aq) is the reducing agent. C. Mg(s) is the reducing agent. D. Pb is o

> Select the statements below that are true when an ice cube is placed in a glass of hot water. qwater =-Qce %3D Fce = qwater The energy gained by the ice cube will be equal to the energy lost by the water. The energy lost by the ice cube will be equal

> Select the statements below that are TRUE. Benzene and its derivatives tend to undergo electrophilic aromatic addition reactions. Benzene and its derivatives tend to undergo electrophilic aromatic substitution reactions. Substitution reactions have energ

> For each formula, write the name for each compound (Don't forget Roman Numerical necessary.), and circle if the compound is Ionic or Molecular. If the compound is ionic, circle if it is water soluble. If Ionic, water soluble? Circle Compound Name Ion

> Pattern baldness, moustaches and beard in human males are examples of a. sex-linked traits b. sex limited traits c. sex influenced traits d. sex determining traits

> Write a Lewis structure for each of the following negative ions, and assign the formal negative charge to the correct atom: (a) H3CO- (b) NH2 (c) CN (d) HCO2 (e) HCO3 (f) HC2 CTICE PROBLEM 1.11 Assign the proper formal charge to the colored atom in

> Determine the overall charge on each complex. hexacyanoferrate(II)

> Write the Lewis dot structure for HC2-

> Identify the conjugate base for each acid. Conjugate base of H3PO4 Conjugate base of HS- Conjugate base of NH4+

> Which of the following is a correct statement? Flammable gasses burn in the presence of oxygen. Inert gases and noble gases are explosive. Flammable gases are not explosive in the correct proportions. Nitrogen and helium are flammable gasses.

> Which of the following is a correct statement of Henry's Law (for real solutions)? PA = P°A "XA PA = POA "aA PA = KA "XA PA = KA "aA

> Do the following for the compound C2H5NO: 1. Complete the two resonance structures below. Add all necessary bonds and lone pairs 2. For both structures (A and B) assign the formal charges for atoms 1-3. 3. Based on the formal charges which is the best Le

> Part B AlH3 Draw the Lewis structure for the molecule. Include all lone pairs of electrons. If resonance structures are needed to describe the Lewis structure, draw all possible resonance structures. Part C N3− Draw the molecule by placing atoms on

> a. Draw the Lewis structure of BF3 and dimethyl ether (CH3OCH3). b. Determine the hybridization of the boron in BF3 and the oxygen in dimethyl ether. c. Sketch the 3D structure of the Lewis acid-base adduct that forms in the reaction between BF3 and di