Acid/Base Study MCQs
Acid/Base Study MCQs
Answer these 30 Acid/Base Study MCQs and assess your grip on the subject of Acid/Base Study. Scroll below and get started!
1: When you add acid to a solution, _____.
A. The hydrogen ion concentration increases and lowers the pH
B. A water molecule that loses a hydrogen ion
C. The transfer of a hydrogen atom from one water molecule to another
D. A water molecule that gains a hydrogen
2: The single most important factor influencing potassium ion secretion is ________.
A. Intracellular sodium levels
B. Potassium ion concentration in blood plasma
C. The potassium ion content in the renal tubule cells
D. The pH of the ICF
3: A result of the common ion effect is ________
A. That common ions, such as Na+ (aq), don't affect equilibrium constants
B. That ions such as K+ and Na+ are common ions, so that their values in equilibrium constant expressions are always 1.00
C. That the selective precipitation of a metal ion, such as Ag+, is promoted by the addition of an appropriate counterion (X-) that produces a compound (AgX) with a very low solubility
D. That common ions precipitate all counter-ions
4: An aqueous solution contains 0.100 m naoh at 25.0 °c. the ph of the solution is ________.
A. 1.00
B. -1.00
C. 7.00
D. 13.0
5: The addition of sodium hydroxide and ________ to water produces a buffer solution.
A. HCl
B. NaC2H3O2
C. NaF
D. HC7H5O2
6: The ph of a solution of a solution is 4.50. the poh of this solution is ________.
A. 9.50
B. 5.50
C. 6.50
D. 3.50
7: The alpha-helix is a component of __________ protein structure.
A. Primary
B. Secondary
C. Both
D. None
8: What was λmax for fescn2+? _____ nm
A. 450
B. 230
C. 430
D. 520
9: An acid is _____.
A. Is a versatile solvent
B. Contains hydrogen
C. Reduces the hydrogen ion concentration of a solution
D. Forms covalent bonds with other substances
E. Increases the hydrogen ion concentration of an aqueous solution
10: The hydrogen atom has one _____ and one _____.
A. Proton
B. Neutron
C. Electron
D. Ion
11: The conjugate acid of no2- is ________.
A. HNO2
B. H2O
C. HCO3-
D. NH2
12: The lower the ph of a solution the ______
A. Less toxic the solution
B. Higher the oh- concentration
C. Greater the number of oxygen atoms
D. More acidic the solution
13: Bases dissolve _____ and _____.
A. Fats and oils
B. Sugars and fats
C. Oils and proteins
D. None of these
14: Of the acids in the table below, __________ is the strongest acid.
A. HCHO_2
B. HCIO
C. HOAc and HCHO_2
D. HOAc
E. HF
15: A solution at ph 10 contains __________ than the same amount of solution at ph 8.
A. 100 times
B. 10 times
C. 8 times
16: A solution of ph 5 has __________ times more hydrogen ions than that of pure water.
A. 10
B. 100
C. 5
D. 50
17: A solution with ph 4 has __________ the h+ concentration of a solution with ph 8.
A. 1/2
B. 2 times
C. 4 times
D. 10,000 times
E. 1/10,000
18: In a neutral solution, the [h+] is _____.
A. 1 x 10-12
B. 1 x 10-14
C. 1 x 10-10
19: The addition of hydrofluoric acid and __________ to water produces a buffer solution.
A. HCl
B. NANo3
C. NaF
D. NaCl
E. NaBr
20: The values used in the scale of ph and poh are derived from a system designed by ______.
A. Curie
B. Dalton
C. Sorenson
D. Gordonsen
21: The structural formulas of amino acids are the same except for the ________.
A. Carboxyl group.
B. Alpha carbon.
C. Amino group.
D. Side (R) group.
E. Hydrogen bonding
22: With solutions of strong acids and strong bases, the word strong refers to _____.
A. Aluminum bromide
B. Degree of ionization
C. [HF] is greater than [H^+][F^-]
D. Acetic acid, sodium hydroxide
23: The addition of hydrochloric acid and ________ to water produces a buffer solution.
A. HC6H5O
B. NaOH
C. NH3
D. HNO3
E. NANO3
24: ______ typically feel slippery when touched.
A. Acids
B. Bases
C. Salts
D. Neutral Solutions
25: All of the 20 common amino acids have at least ____ pka values.
A. 1
B. 2
C. 3
D. 4
26: An acid with a ph of 6 has ________ hydrogen ions than pure water.
A. 10-fold more
B. 10-fold fewer
C. 100-fold fewer
D. 100-fold more
27: In the ionized form of an amino acid, the carboxylic acid end is ________.
A. Neutral
B. Positively charged
C. Soluble in a non polar solvent
D. Attached to an anime
E. Negatively charged
28: Lysine can form a salt bridge by interacting with the side chain of ___.
A. Glu
B. Gly
C. Asn
D. Ser
E. Pro
29: Amino acids include a side group as well as ______.
A. A central carbon, a hydrogen atom, an amino group, and a carboxyl group.
B. The amount of adenine is equal to the amount of thymine, and the amount of guanine is equal to the amount of cytosine.
C. Hydrolysis
D. Amino Acid
30: The kidneys compensate for respiratory alkalosis by _______.
A. Conserving bicarbonate ion and excreting H+
B. Conserving H+ and bicarbonate ion
C. Conserving H+ and excreting bicarbonate ion
D. Excreting H+ and bicarbonate ion
31: Influx of ____ or _____ ions result in epsps.
A. Na+; Ca++
B. Cl-; Na+
C. Ca++; Cl-
D. Cl-; K+
E. A-; K+
32: Of the compounds below, a 0.1 m aqueous solution of ________ will have the highest ph.
A. KCN, Ka of HCN = 4.0 × 10-10
B. \NH4NO3, Kb of NH3 = 1.8 × 10-5
C. NaOAc, Ka of HOAc = 1.8 × 10-5
D. NaClO, Ka of HClO = 3.2 × 10-8
E. NaHS, Kb of HS- = 1.8 × 10-7
33: A ____________ is any mechanism that resists changes in ph.
A. Buffer
B. Grudge
C. Acid
D. Base
34: An increase in blood co2 levels is followed by a(n) ____ in h+ ions and a(n) ____ in blood ph.
A. Decrease, decrease
B. Decrease, increase
C. Increase, increase
D. Increase, decrease
E. Increase, no change
35: Maintenance of normal fluid homeostasis requires all of these except __________.
A. Extracellular
B. Alkalosis
C. Caloric balance
D. Phosphate
E. Electrolytes.
36: One of the major physiological factors that triggers thirst is ________.
A. A dry mouth from high temperatures
B. A rise in plasma osmolality
C. Antidiuretic hormone
D. An increase in potassium levels in the icf
37: The movement of fluids between cellular compartments ________.
A. Requires active transport
B. Is regulated by osmotic and hydrostatic forces
C. Requires ATP for the transport to take place
D. Involves filtration
38: The carbonic acid-bicarbonate buffer system functions mainly to __________.
A. Neutralize the urine
B. Take over the removal of CO2 from the plasma when the lungs aren't working properly
C. Limit ECF pH changes caused by metabolism
D. Prevent destructive changes in ICF pH due to cellular metabolism
E. SubmitMy AnswersGive Up
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