CHEMISTRY 2 IB
Winter Packet
December 2013
Topics: Quantitative Chem., Measurements and Data Processing, Organic Chem., Bonding,
Human Biochemistry
MULTIPLE CHOICE
1. How many isomers are there for dichlorocyclopentane?
a. 1
b. 2
c. 3
d. 4
e. 5
2. In the presence of light or heat, alkanes react with halogens by
a. substitution
b. addition
c. neutralization
d. combustion
e. titration
3. The reaction of hydrogen (H2) and propene using a platinum catalyst is
a. combustion
b. substitution
c. addition
d. neutralization
e. condensation
4. The hydrogenation of alkenes gives
a. alkanes
b. alkenes
c. alkynes
d. benzenes
e. isomers
5. The reaction of cyclopentane with bromine in the dark will produce
a. no reaction
b. bromocyclopentane
c. 1,1-dibromocylcopentane
d. 2-bromopentane
e. 2-bromocyclopentane
6. The reaction of 2-butene and Br2 will give
a. 1-bromobutane
b. 2-bromobutane
c. 2,2-dibromobutane
d. 2,3-dibromobutane
e. 1,2-dibromobutane
7. The product of hydrogenation of propene is
a. CH2CH3
b. CH3CH2CH3
c. CH3(CH2)2OH
d. CH3CH=CH2
e. CH3CH2CH2Cl
8. The reaction of butane with oxygen is called
a. substitution
b. addition
c. neutralization
d. combustion
9. The reaction of ethane with chlorine in the presence of light will produce.
a. No reaction
b. chloromethane
c. chloroethane
d. hydrogen chloride
e. chloroethane + hydrogen chloride
10. Benzene has the molecular formula of
a. C6H4
b. C6H6
c. C6H8
d. C6H10
11. What is the major product of the reaction shown below?
CH3CH=CH2 + HOH 
a.
b.
c.
d.
e.
CH3 – CHOH – CH2OH
CH3 – CHOH – CH3
CH3 – CH2 –CH2 – OH
CH3 –CHOH = CH2
CH3 – CH2OH + CH3OH
12. Round 20.589958 to 4,3, and 2 significant figures, respectively.
a. 20.59, 20.5, 20
b. 20.58, 20.5, 20
c. 20.60, 20.6, 21
d. 20.59, 20.6, 21
13. The solution to (22.41 + 0.464) x 999/18.465 is
a. 1237.32
b. 1.23 x 103
c. 1.2 x 104
d. 1237
14. Calculate the density, in kg/L, of a block of wood 2.5 feet by 18 inches by 1 yard that weighs 646 pounds.
a. 0.92 kg/L
b. 9.2 kg/L
c. 1.1 kg/L
d. 4.9 kg/L
15. Which of the following is a pure substance?
a. an egg
b. sea water
c. bronze
16. Which of the following is a homogenous mixture?
a. an egg
b. copper
c. oil and vinegar
17. The compound Co2(CO3)3 is named
a. cobalt (III) carbonate.
c. cobalt carbonate.
d. copper
d. photocopy paper
b. cobalt (II) carbonate.
d. cobalt carbon trioxide.
18. Which of the following is the formula for barium chloride?
a. BaCl
b. Ba2Cl
c. Ba2Cl2
d. BaCl2
19. Which of the following is not a polyatomic ion?
a. sulfate
b. hydride
c. nitrite
d. carbonate
20. What formula does ammonium perchlorate have?
a. NH3ClO3
b. NH4ClO4
c. NH3ClO
d. NH3ClO2
21. Calculate the percent composition of Na2S2O3.
a. 29% Na, 41% S, 30% O
b. 37% Na, 45% S, 23% O
c. 49% Na, 34% S, 17% O
d. 17% Na, 47% S, 36% O
22. Calculate the molecular formula of a compound that has 48.8% Cd, 20.8% C, 2.62% H, 27.8% O and a
molecular weight of 460.8 g/mol.
a. Cd2C8H12O8
b. CdC4H6O4
c. CdCHO
d. Cd2C6H6O6
23. Find the empirical formula of the compound that contains 15.8% Al, 28.1% S and 56.1% O.
a. Al2(SO4)3
b. AlSO2
c. AlSO
d. Al2SO3
24. The proper set of coefficients for the following equation are
_C3H8 + _F2  _C3F8 + _HF
a. 1,1,1,1
b. 1,3,1,3
c. 2,16,2,16
d. 1,8,1,8
25. A solution of copper sulfate is reacted with zinc metal. How many grams of copper are produced if 2.9 g
of zinc are consumed.
CuSO4 + Zn  ZnSO4 + Cu
a. 3.0 g
b. 2.8 g
c. 5.7 g
d. 3.7 g
26. How many grams of sulfur dioxide are produced when 90.0 g of thionyl chloride react with excess water
according to the following equation?
SOCl2 + H2O  2HCl + SO2
a. 96.8
b. 90.0
c. 24.2
d. 48.4
27. What is the mass in grams of one molecule of ethanoic (acetic) acid?
a. 0.1
b. 3.6 x 1025
c. 1 x 10-22
d. 60
28. Which is not a true statement?
a. One mole of methane contains four moles of hydrogen atoms.
b. One mole of 12C has a mass of 12.00 g.
c. One mole of hydrogen gas contains 6.02 x 1023 atoms of hydrogen.
d. One mole of methane contains 75% of carbon by mass.
29. A pure compound contains 24 g of carbon, 4 g of hydrogen and 32 g of oxygen. No other elements are
present. What is the empirical formula of the compound?
a. C2H4O2
b. CH2O
c. CH4O
d. CHO
30. Which one of the following statements about SO2 is/are correct?
i. One mole of sulfur dioxide contains 1.8 x 1024 atoms.
ii. One mole of sulfur dioxide has a mass of 64 g.
a. Both I and II.
b. Neither I nor II.
c. I only.
31. What is the empirical formula for the compound C6H5(OH)2?
a. C6H6O
b. C6H5O2H2
c. C6H7O
d. C6H7O2
d. II only.
32. Phosphorus burns in oxygen to produce phosphorus pentoxide.
What is the sum of the coefficients in the balanced equation?
a. 3
b. 5
_P4 + _O2  _P4O10
c. 6
d. 7
33. Which molecule possesses a chiral (asymmetric) center?
a. NH2CH2COOH
b. CH3CH(NH2)COOH
c. CH3C(NH2)2COOH
d. (CH3)2C(NH2)COOH
34. At room temperature, an unsaturated fat is a
a. solid
b. liquid
c. gas
35. Vitamin __ is essential in the production of collagen.
a. C
b. A
c. D
d. B
36. The primary structure of a protein involves the
a. sequence of amino acids.
c. maintaining of the three dimensional shape.
d. All of these.
37. All of the following are sex hormones except
a. estrogen
b. progesterone
38. Sex hormones have a similar backbone to
a. glucose
b. cholesterol
b. folding of the proteins.
c. androgens
c. protein
d. cholesterol
d. lipids.
39. Most hormones are under the control of this gland.
a. thyroid
b. pancreas
c. adrenal
d. pituitary
40. Which hormone is responsible for the flight or fight response?
a. insulin
b. adrenaline
c. thyroxin
d. testosterone
41. The rate of a chemical reaction can sometimes be determined by measuring the change in mass of the
reaction flask and its contents with time. For which of the following reactions would this technique be
most successful?
a. Copper oxide and dilute sulphuric acid.
b. Aqueous sodium chloride and aqueous silver nitrate.
c. Calcium carbonate and dilute hydrochloric acid.
d. Zinc and aqueous copper (II) sulphate.
MATCHING
Identify the following as most characteristic of
A. organic compounds
B. inorganic compounds
42. High melting points.
43. Soluble in non-polar solvents.
44. Flammable.
TRUE (A) OR FALSE (B)
45. The building blocks of proteins are lipid molecules.
46. An amide bond connects two amino acids in a dipeptide.
47. Two glucose molecules make the sugar lactose.
48. Condensation reactions create polysaccharides from disaccharides.
49. Insulin is produced in the pituitary gland.
50. A zwitterion forms at the isoelectric point of a sugar.
51. An isomer of butanol is pentanol.
52. Butanol and pentanol are members of the same homologous series.
53. Water can act as a nucleophile.
54. In SN1 reactions, a carbocation is formed when the halogen leaves.
55. SN2 reactions mostly occur with primary halogenoalkanes.
Match the function of a protein with each example.
56. structural
57. transport
58. protection
A. hemoglobin in the blood.
B. casein in milk
C. insulin from the pancreas
D. keratin in hair
E. antibodies (ex) Ig G
59. A large apple weighs 150 g. In a laboratory investigation, a 15.0 g sample of the apple, on complete
combustion, raises the temperature of 200 g of water in a glass container by 45.3 oC. Calculate the energy
value of the whole apple. The heat capacity of the glass calorimeter = 89.1 J oC-1 and the specific heat of
water = 4.18 J g-1 oC-1. Heat produced = heat absorbed by water + heat absorbed by calorimeter.
a. 41907 J
b. 41.9 kJ
c. 419 kJ
d. 419 J
60. In a disaccharide, two monosaccharide form a(n) __ bond.
a. ester
b. acetal
c. glycosidic
d. peptide
e. glucose