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WorksheetsPACOP GREEN - Inorganic Chemistry 201-250
Total questions: 50
Worksheet time: 25mins
Name
Class
Date
1.
201. Used as respiratory stimulant by inhaling the vapors:
a)
A. Ammonium carbonate
b)
B. Aromatic Spt. Of Ammonia
c)
C. Ammonium chloride
d)
D. Ammonium hydroxide
e)
E. All of them
2.
202. A compound added to some antacids to serve as defoaming agent to prevent flatulence
a)
A. Simethicone
b)
B. Magaldrate
c)
C. Alginic acid
d)
D. Sodium bicarbonate
3.
203. The molarity of a solution is:
a)
A. The number of moles of solute per liter of solution
b)
B. The number of moles of solute dissolved in kg solvent
c)
C. The number of equivalent weights per liter of solution
d)
D. The number of moles of solvent per kg of solution
e)
E. The weight in g of solute per 100 mL of solution
4.
204. The form of water most commonly used as a solvent during the manufacture of parenterals is:
a)
A. Bacteriostatic water for injection USP
b)
B. Deionized water
c)
C. Distilled water
d)
D. Sterile water of injection USP
e)
E. Water for injection
5.
205. This is used to describe the approximate measure of the sized of the electron cloud:
a)
A. Principal quantum number
b)
B. Azimuthal quantum number
c)
C. Magnetic quantum number
d)
D. Spin quantum number
e)
E. All of the above
6.
206. If the ion product is less than Ksp, the solution is:
a)
A. Saturated
b)
B. Unsaturated
c)
C. Supersaturated
d)
D. Concentrated
e)
E. Diluted
7.
207. Which of the following acid/conjugate base pairs would function best as a buffer at physiological pH:
a)
A. Lactic acid/ Lactate ion, -pKa = 3.86
b)
B. Carbonic acid/ Bicarbonate ion, -pKa = 6.37
c)
C. Bicarbonate ion/ Carbonate ion, -pKa = 10.25
d)
D. Dihydrogen phosphate/Monohydrogen phosphate ion, -pKa = 6.86
e)
E. Acetic acid/ Acetate ion, -pKa = 4.76
8.
208. A type or structure of complex where the interactant is a surfactant, a molecule possessing both a non-polar and a polar portion:
a)
A. Self-associated aggregate
b)
B. Micelle
c)
C. Inclusion complex
d)
D. Inclusion complex
9.
209. The method of preparation must be indicated on labels for:
a)
A. Bacteriostatic water for injection USP
b)
B. Milk of Magnesia
c)
C. Sterile water for injection USP
d)
D. Purified water USP
e)
E. Water for injection USP
10.
210. Conformation of organic molecules is most commonly determined by which of the following analytical method:
a)
A. Nuclear magnetic resonance
b)
B. Optical rotation
c)
C. pKa determination
d)
D. Biological assay
e)
E. Mass spectrophotometry
11.
211. Which of the following is an example of triprotic acid?
a)
A. Acetic acid
b)
B. Carbonic acid
c)
C. Sulfuric acid
d)
D. Phosphoric acid
e)
E. Sulfuric acid
12.
212. Elements that are found as diatomic molecules include all, except:
a)
A. Oxygen
b)
B. Fluorine
c)
C. Potassium
d)
D. Iodine
e)
E. Hydrogen
13.
213. The Henderson-Hasselbach equation allows us to
a)
A. Calculate the pKa of an acid from the pH of a solution of an acid
b)
B. Calculate the pH of the solution of an acid from the pKa of the acid
c)
C. Calculate the molar ratio of an acid from the pKa of its conjugate base
d)
D. Calculate the molar ratio of an acid and its conjugate base from the pKa of the acid and the pH of the solution of the acid
e)
E. Calculate the pH of the solution of a base from the pKa of its conjugate acid
14.
214. Atoms in which two outermost electron shells are incomplete refer to:
a)
A. Nobel or inert gases
b)
B. Representative elements
c)
C. Transition elements
d)
D. Lanthanide series
e)
E. Actinide series
15.
215. If HCl is added to water until the solution contains 1 x 10^-4 mole/L of the H+ ion, the concentration of OH- ions is:
a)
A. 1 x 10^-14 mole/L
b)
B. 1 x 10^-4 mole/L
c)
C. 1 x 10^-11 mole/L
d)
D. 1 x 10^-6 mole/L
e)
E. 1 x 10^-10 mole/L
16.
216. The following are properties of soft bases. Which does not belong to these bases?
a)
A.With low electroneegativities
b)
B. Have empty low-lying orbitals
c)
C. Easily oxidized
d)
D. With high polarizability
e)
E. None of the above
17.
217. It is equal to the product of the ionic concentrations (in moles per liter of saturated solution), with each concentration raised to the power indicated by the number of ions in the formula:
a)
A. Ksp
b)
B. Ke
c)
C. Kw
d)
D. Ki
e)
E. Any of the above
18.
218. The degree of dissociation of acids is often expressed in terms of pKa. pKa then is:
a)
A. Directly measured by titration of the acid with sodium hydroxide
b)
B. Calculated by determining the acid's buffer capacity
c)
C. Directly determined by conductivity measurement
d)
D. The natural log of the acid's dissociation constant
e)
E. The reciproca log of the dissociation constant
19.
219. The solubility of a chemical in a given solvent is influenced by many factors. Which of the following physicochemical constants may not be useful in predicting the solubility of a chemical:
a)
A. pH of a solution
b)
B. Dielectric constants
c)
C. pKa of the chemical
d)
D. Solubility parameters
e)
E. Valence of the chemical
20.
220. Which of the following glass types does not contain soda lime:
a)
A. Type I
b)
B. Type II
c)
C. Type III
d)
D. Type IV or NP
e)
E. All of the above
21.
221. The shrinkage occuring between the mixture of alcohol and purified water is primarily due to:
a)
A. Van der Waals forces
b)
B. Covalent bonding
c)
C. Hydrogen bonding
d)
D. Ionic bonding
e)
E. Temperature changes
22.
222. Calculate the pH of a 0.08F solution of HCN. Ka is 7.2 x 10^-10:
a)
A. 5.12
b)
B. 6.00
c)
C. 7.60
d)
D. 7.26
e)
E. None of the above
23.
223. A disease found in Japan caused by drinking water contaminated with cadmium:
a)
A. Minamata disease
b)
B. Itai-itai disease
c)
C. Crohn's disease
d)
D. Addison's disease
e)
E. None of the above
24.
224. Which of the following is not a factor in influencing equilibrium of a chemical reaction:
a)
A. Nature of reactant
b)
B. Changes in pressure
c)
C. Temperature changes
d)
D.Concentration changes
e)
E. None of the above
25.
225. It contains iron in solution or in suspension and are characterized by a ferruginous taste:
a)
A. Carbonated water
b)
B. Chalybeate water
c)
C. Saline water
d)
D. Lithia water
e)
E. Siliceous water
26.
226. Which of the following glass types makes use of water attack test type:
a)
A. Type I
b)
B. Type II
c)
C. Type III
d)
D. Type IV or NP
e)
E. None of the above
27.
227. This refers to an electrically neutral unit formed when two or more atoms are joined together by covalent bond:
a)
A. Ion
b)
B. Molecule
c)
C. Compound
d)
D. Element
e)
E. Mixture
28.
228. Which of the following is not an action of sulfur:
a)
A. Cathartic
b)
B. Parasiticide
c)
C. Fumigation
d)
D. Depilatories
e)
E. Reye's syndrome
29.
229. This compound is primarily used in the preparation of Vleminck's solution:
a)
A. Sublimed sulfur
b)
B. Milk of sulfur
c)
C. Zinc oxide
d)
D. Lithium carbonate
e)
E. Chlorine dioxide
30.
230. Iron sorbitex is a chemical complex of:
a)
A. Iron
b)
B. Sorbitol
c)
C. Citric acid
d)
D. Dextrin
e)
E. All of the above
31.
231. The following are constituents of Ladd's paste, except:
a)
A. Aluminum powder
b)
B. Liquid petrolatum
c)
C. Zinc oxide
d)
D. Silver nitrate
e)
E. None of the above
32.
232. Which of the following is not an indication of hypophosphatemia:
a)
A. Hypervitaminosis D
b)
B. Hyperparathyroidism
c)
C. Lack of phosphate reabsorption
d)
D. All of the above
e)
E. None of the above
33.
233. This formula can be determined given the percent composition by mass of the compound:
a)
A. Molecular formula
b)
B. Structural formula
c)
C. Empirical formula
d)
D. Electronic formula
34.
234. The unit for molar mass of carbon-12 is:
a)
A. Mole
b)
B. Gram
c)
C. Atomic mass unit
d)
D. Gram/mL
35.
235. If enthalpy is positive, the reaction is:
a)
A. Exothermic
b)
B. Endothermic
c)
C. Spontaneous
d)
D. Reversible
36.
236. The color of the flame produced by lithium:
a)
A. Yellow green
b)
B. Crimson red
c)
C. Brick red
d)
D. Violet
e)
E. Intense yellow
37.
237. Hyperphosphatemia may be found in:
a)
A. Hypoparathyroidism
b)
B. Rickets
c)
C. Hyperparathyroidism
d)
D. Possible long term use of aluminum hydroxide gel antacid
e)
E. All of the above
38.
238. It is an official antidote for phosphorous poisoning
a)
A. Blue vitriol
b)
B. White vitriol
c)
C. Green vitriol
d)
D. Oil vitriol
e)
E. All of the above
39.
239. Which of the following elements acts as a catalyst for the storage and release of iron:
a)
A. Chromium
b)
B. Copper
c)
C. Magnesium
d)
D. Iodine
e)
E. Manganese
40.
240. Which of the following minerals is important in the antioxidant capabilities of Vitamin E:
a)
A. Iron
b)
B. Zinc
c)
C. Chromium
d)
D. Selenium
e)
E. Silicon
41.
241. In a REDOX reaction, the oxidizing agent:
a)
A. is oxidized
b)
B. loses electrons
c)
C. is reduced
d)
D. increased in oxidation state
42.
242. Radioactive substances are characterized by:
a)
A. Unstable nucleus
b)
B. Emitting radiation
c)
C. Low proton-neutron ratio
d)
D. All of the above
43.
243. The rate of decay of radioactive substance is expressed in terms of:
a)
A. Half-life
b)
B. Angstrom
c)
C. Curie
d)
D. Amu
44.
244. Crystallization in a supersaturated solution may be induced by:
a)
A. Stirring the solution
b)
B. Seeding
c)
C. Scratching the inside wall of the test tube
d)
D. All of the above
45.
245. Different nuclides having the same mass number:
a)
A. Isotopes
b)
B. Isotones
c)
C. Isomers
d)
D. Isobars
46.
246. Principle which states that it is impossible to accurately determine simultaneously the position and motion of an electron
a)
A. Pauli's Exclusion Principle
b)
B. Aufbau Principle
c)
C. Heisenberg Uncertainty Principle
d)
D. Planck's Exclusion Principle
47.
247. Which is not a colligative property:
a)
A. Freezing point depression
b)
B. Boiling point elevation
c)
C. Vapor pressure lowering
d)
D. Melting point
48.
248. When orbitals are of the same energy, electrons distribute themselves one to each orbital before pairing according to:
a)
A. Aufbau Principle
b)
B. Pauli's principle
c)
C. Hund's rule
d)
D. Building principle
49.
249. The following underlined elements has +5 oxidation state, except:
a)
A. IF5
b)
B. H3SbO4
c)
C. Bi(NO3)3
d)
D. Na2Sn4O6
50.
250. If one mole of oxygen molecule weighs 32 grams, how many molecules are present in one mole of O2:
a)
A. 8
b)
B. 16
c)
C. 32
d)
D. 6.02 x 10^23
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