Module 1

100問 • 1年前

問題一覧

Raoult’s Law:

The partial vapor pressure of a volatile constituent is equal to the vapor pressure of the pure constituent multiplied to its mole fraction in the solution.

It states that when a stress is applied to a system in equilibrium, the equilibrium shifts to relieve the stress.

Le Chatelier’s Principle

These are examples of:

Isobars

Anode is an electrode:

where oxidation takes place

This quantum number defines the location of the energy level.

Principal

This quantum number determines the spatial orientation of the electron cloud in space.

Magnetic

Atoms which have an unpaired valence orbital, thereby having a slight tendency to be attracted to magnetic fields.

Paramagnetism

What law explains the thermodynamic state of a perfect crystal at absolute zero?

3rd Law of Thermodynamics

Reaction rate increases when temperature increases:

Not False

The milliequivalent weight of an acid depends on its __________.

Number of replaceable hydrogen atoms

The following statements are NOT true about acids and bases, EXCEPT: I. Bronsted and Lowry defined acids as a species that accepts protons. II. Lewis bases are electron donors. III. An Arrhenius acid is a proton donor. IV. Lewis acids are electron acceptors.

II, IV

A measure of a solution’s acid strength, the negative common log of the [H+]:

All of the following factors affect the solubility of Ionic compounds EXCEPT: I. pH of Solution II. Temperature III. Presence of Common Ions IV. Presence of Salts

II, IV

Which group is referred to as the Alkali Metals?

Group IA

Which group is referred to as the Alkaline Earth Metals?

Group IIA

Which group is referred to as the Chalcogens?

Group VIA

Which paired elements belong to Group VIIA?

F, Br

Which group is referred to as the Coinage Metals?

Group IB

Which of the following elements are referred to as volatile metals? I. Cadmium III. Beryllium II. Mercury IV. Zinc

I, II, IV

The following elements form basic hydrides, EXCEPT:

Sulfur

Which among the following elements belong to transition metals? I. Sulfur III. Sodium II. Copper IV. Titanium

II, IV

This refers to the energy needed to remove an electron.

Ionization Energy

This type of radiation has the greatest penetrating power.

Gamma radiation

Potassium imparts a characteristic _________ color to a nonluminous flame.

Violet

Copper imparts a characteristic _________ color to a nonluminous flame.

Emerald green

It forms a yellow, curdy precipitate that is readily soluble in potassium cyanide and in sodium thiosulphate solutions, very slightly soluble in concentrated ammonia solution, and insoluble in dilute nitric acid.

AgI

Chlorides may be precipitated by:

Silver nitrate

Drug of choice to combat metabolic acidosis:

NaHCO3

Substance added to glass that give low thermal expansion and high resistance to heat shock:

Boron Compounds

This compound exhibits amphoteric property, making it suitable to prevent systemic alkalosis.

Aluminum hydroxide

Alum silicate which is antidiarrheal:

Kaolin

Among the allotropes of phosphorus, which one is made by heating phosphorus at 200 degrees Celsius under a pressure of 1,200 kg?

Black phosphorus

Carbon dioxide absorber:

Soda Lime

Oxygen and ozone are:

Allotropes

Elements that can exist in two or more crystalline forms are said to be:

Allotropic

Bordeaux mixture, used as fungicide, contains calcium oxide and?

Cupric sulfate

Amalgams is an alloy of what element?

Mercury

Which among the following is used as a solar ray protective or sunblock?

Titanium dioxide

Hematite:

Fe2O3

Component of the enzymes urease and hydrogenase

Nickel

An agent that loses one or more electrons in a redox reaction:

Reducing agent

The following are oxidizing agents, except:

Na2C2O4

The method of preparation must be indicated on labels for:

Purified water, USP

A substance which takes up water or moisture but does not dissolve is:

Hygroscopic

The molecular formula C8H16 can be:

Alkene and Cycloalkane

Hydroxybenzoic acid is known as?

Salicylic Acid

An sp2 hybridized carbon has a ______ molecular geometry and forms a bond angle of ______:

Trigonal planar; 120°

Give the hybridizations of the orbitals between carbons 1 and 2 in the molecule CH2=CHCH2CH2CH3?

sp2-sp2

What is the type formula for ethers?

ROR

Propanone can be represented by which of the following type formulas?

RCOR

Identify the statements that BEST describes stereoisomers? I. They do not differ in the order of their atoms II. They do not differ in their configuration III. They differ in the spatial arrangement of their atoms IV. They differ in the order and kind of atoms

I, III

Which of the following refers to the process in which one enantiomer of a compound is converted to another enantiomer?

Racemization

Select the category to which D-glucose and D-galactose belong.

Epimers

Which of the following compounds is considered as a Grignard’s Reagent?

CH3MgBr

Which of the following substrates is a subject for a nucleophilic addition reaction?

Ethanal

Cannizzaro reaction is undergone by which of the following compounds?

Aldehyde

Addition of hydrogen molecule to an alkene is catalyzed by what metal?

Palladium

Four-carbon dicarboxylic acid:

Succinic acid

Which is the strongest acid?

Hydroiodic Acid

Substances that show strong conductivity property and a high degree of ionization:

HCl, NaOH, NaCl

In terms of pH, aspirin is absorbed in the:

Stomach

The excretion of weakly basic drug will be more rapid in acidic urine than in basic urine because:

The drug will exist primarily in the ionized form, which cannot be easily reabsorbed

Describe the rate at which a solid drug dissolves:

Noyes–Whitney equation

Which of the following is the major organ for drug metabolism?

Liver

All Phase II reactions convert metabolites into more polar and water soluble products EXCEPT: I. Glucuronidation II. Sulfation III. Methylation IV. Acetylation

III, IV

A metabolite of chloral hydrate:

Trichloroacetic acid

Which mechanism is most often responsible for chemical degradation?

Hydrolysis

A combination of non-ionic and cationic surfactants with iodine:

Povidone-Iodine

Which of the following is/are true regarding Povidone-Iodine? I. A water soluble complex that releases iodine slowly II. Provide a nontoxic, non-irritating, non-volatile, and non-staining form of iodine III. Used as an antiseptic for skin application before surgery and injection

I, II, III

A phenol coefficient of more than 1 means that:

The test disinfectant is more effective than phenol

Preservatives interfere with microbial growth and metabolism through one or more of these mechanisms, EXCEPT _____.

Reversible protein precipitation

A patient was diagnosed to have allergies in beta-lactam antibiotics. Which of the following is not a beta- lactam antibiotic to which the patient may not be allergic to?

Doxycycline

The following drugs belong to the 3rd generation cephalosporins EXCEPT:

Cefotetan

Which of the following chemotherapeutic agents has a good penetrability into the cerebrospinal fluid?

Chloramphenicol

A polyene antibiotic first isolated in 1951 from a strain of Streptomyces noursei

Nystatin

A potent antifungal substance with a polyene structure from Streptomyces nodosus.

Amphotericin B

The study of chemical agents which are selectively more toxic to the invading organisms than the host.

Chemotherapy

Which of the following antineoplastic agents are alkylating agents? I. Nitrosoureas II. Purine antagonists III. Dacarbazine IV. Taxanes

I, III

Plant containing the anticancer drug, vincristine and vinblastine:

Periwinkle

Sites of alkylation within DNA by alkylating agents: I. N7 position of guanine II. N1 position of adenine III. N3 position of cytosine IV. O6 of guanine

AOTA

Major degradation product of dopamine

Homovanillic acid

Which among the following Barbiturates has an intermediate duration of action?

Amorbarbital

83. The onset and duration of barbiturate action is mainly a function of its:

Lipid solubility

Odd one out:

Aripiprazole

Mescaline is a _________ derivative:

phenylethylamine

Paracetamol is a/an:

Aniline derivative

Although the prostaglandins are hormone-like, they may closely resemble which of the following chemically?

Lipids

The following are essential fatty acids EXCEPT?

Linolenic acid

All of the following are progestins except:

Testosterone

Which of the following elements is NOT found as a component of extracellular fluids in humans?

Iodine in form of iodide

All of the following ions are present in the intracellular fluids except:

Na+

Which of the following characterizes facilitated diffusion?

Carrier specific

The following are characteristics of active transport, except:

Higher to lower concentration gradient

Which of the following therapeutic advantages cannot be obtained by the use of prodrugs? Increase ________

Potency

The method used for observing changes in the crystalline form if a drug is ______.

X-ray Diffraction

An organic compound which may either be a weak acid or a weak base that can change color at a definitive pH value

Indicator

Give the normality of sulfuric acid containing 73.5g/500mL of solution? (MW = 98 g/mol)

3.0 N

Which of the following is a wax obtained from whales used in the preparation of cosmetic creams and fine wax candles?

Spermaceti

Rancidity of fats may be due to:

Oxidation of double bonds

100

Compounds that result from a combination of electron donor and a metal forming a ring structure is called

Chelate

Module 2 Part 1

ユーザ名非公開 · 100問 · 1年前

Module 2 Part 1