Organic Chemistry PRAC QS PPT

Proverbs 16:3

Organic Chemistry

Study of the structure, properties, composition, reactions and preparations of carbon containing compounds.

D. All of the choices

Carbon can bond to ____

a. Carbon

b. Nitrogen

C. Oxygen

D. All of the choices

• Carbon = 4

• Oxygen = 2

How many bonds can Carbon

form? Oxygen?

A. 1

B. 2

C. 3

D. 4

d. Plasma

The following are allotropes of carbon EXCEPT:

a. Diamond

b. Graphite

c. Fullerene

d. Plasma

B. a pair of shared electrons

An organic bond represents

______.

A. transfer of electrons

B. a pair of shared electrons

C. a pair of shared protons

D. transfer of protons

All of the above

Organic compounds, when compared with inorganic compounds, have ______.

A. Lower melting/boiling point

B. Many more atoms

C. More complex structures

D. Bad conductor of electricity

E. All of the above

A. Aliphatic

Organic compounds consisting of straight chains of saturated carbon atoms are called _____.

A. Aliphatic

B. Aromatic

C. Heterocyclic

D. Cyclic

E. Acyclic

C. CnH2n+2

What is the general formula given to alkanes?

A. CnH2n

B. CnH2n+1

C. CnH2n+2

D.CnH2n-2

A. They are also called olefins  or unsarturated hydrocarbons .

Which among the following is CORRECT about alkenes?

A. They are also called olefins  or unsarturated hydrocarbons .

B. Alkenes are used as fuel and anti-knock fuels.

C. Ethylene is used for artificial ripening of fruits.

D. Compounds of alkenes are also used as general anesthetics.

E. Acetylene torch which is used in welding of metals is an example

B. Ester

The chemical CH₃CH₂COOCH₃ is an example of what type of organic compound?

A. Ketone

B. Ester

C. Ether

D. Aldehyde

E. Acid anhydride

C. ROR

What is the type formula for ethers?

A. RH

B. RX

C. ROR

D. RCHO

E. RCOOR

B. Aldehyde

The compound with the formula CH₃CH₂COCH₂CH₃

is a/an:

A. Ketone

B. Aldehyde

C. Carboxylic acid

D. Ether

E. Ester

E. ROR

What is the type formula of the chemical methoxyethane?

A. RCHO

B. RCOOH

C. RCOOR

D. RCOR

E. ROR

B. Isomers

Organic compounds having the same molecular formula, but different structural formulas are called ______.

A. Polymers

B. Isomers

C. Heterocyclics

D. Isotopes

E. Polymorphs

B. Positional isomers

2-pentanol and 3-pentanol are:

A. Functional isomers

B. Positional isomers

C. Chain isomers

D.Optical isomers

E. Stereoisomers

A.Spatial configuration

Enantiomers differ from one another in:

A.Spatial configuration

B.Rational formula

C.Ion-pair formation

D.Photoelectric effect

Drug

Chemical compound that is used to treat, mitigate, diagnose and prevent diseases both in humans and animals

Drug

Compounds that interact with a biological system to produce a biological response

B. Lead compound

It refers to a chemical compound that has pharmacological or biological activity whose chemical structure is used as starting point for chemical modification:

A. Prodrug

B. Lead compound

C. Drug

D. Orphan drug

E. Novel drug

D. Salmonella typhi

Phenol Coefficient is the ratio of a dilution of a given test disinfectant to the dilution of phenol required to kill a given strain of __________.

A. Pseudomonas aeruginosa

B. Mycobacterium leprae

C. Bacillus subtilis

D. Salmonella typhi

D. Macrolides

Class of antibiotics which has large lactone ring, has a ketone group and has glycosidically linked amino sugar:

A. Penicillin

B. Cephalosporins

C. Aminoglycosides

D. Macrolides

A. Lincomycin

Which of the following contains sulfur? Isolated from Strep. lincolnensis

A. Lincomycin

B. Clindamycin

C. Clarithromycin

D. Penicilllin G

F. HAART (Highly Active Antiretroviral Therapy)

It refers to the multidrug regimen used for the treatment of HIV infection.

A. NRTIs (Nucleoside Reverse Transcriptase Inhibitors)

B. NNRTIs (Non-Nucleoside Reverse Transcriptase Inhibitors)

C. Protease Inhibitors

D. Entry Inhibitors

E. Integrase Inhibitors

F. HAART (Highly Active Antiretroviral Therapy)

E. Alopecia

A very common adverse reaction of alkylating agents used in the treatment of cancer:

A. Bulging fontanel

B. Steven Johnson’s Syndrome

C. Mydriasis

D. Ataxia

E. Alopecia

C. Etoposide

Which of the following antineoplastics is not considered an anti-metabolite?

A. Cytarabine

B. Methotrexate

C. Etoposide

D. Thioguanine

E. Fluorouracil

A. Streptomycin

The following antibiotic possess clinically useful anti – malignant property, except:

A. Streptomycin

B. Daunorubicin

C. Mitomycin

D. Plicamycin

E. Bleomycin

C. Innovator drug

It refers to the first drug created containing an active ingredient, with established efficacy, safety and quality and received approval for use.

A. Lead compound

B. Prodrug

C. Innovator drug

D. Generic drug

E. Goal drug

a. esters

A common form of hydrocarbon that is common to hydrolysis.

a. esters

b. ethers

c. amides

d. amines

d. gas; liquid; solid

One to four carbon atoms are ______, 5-16 carbon atoms are ______, and 17 and more carbon atoms are _______.

a. Solid; liquid; gas

b. gas; solid; liquid

c. liquid; gas; solid

d. gas; liquid; solid

a. local anesthetics

Chloroethane and chloromethane are used as

a. local anesthetics

b. general anesthetics

c. topical anesthetics

d. analgesic

c. Insecticide

DDT, chlordane, kepone, and lindane are used as

a. Anesthesia

b. Analgesic

c. Insecticide

d. Antibiotic

II, III, & IV

Baeyer's Test can be used to detect

I. Saturation

II. Unsaturation

III. Double Bonds

IV. Triple Bonds

I & II

The positive result for Bromine's test is:

I. Colorless

II. Double Bonds

III. Light Brown Solution

IV. Single Bond

C. Aromatic Compounds

Friedel-Crafts test is a reaction wherein chloroform reacts with ______ using aluminum chloride as its catalyst, which forms triarylmethane that are brightly colored.

A. Cyclic compounds

B. Heterocyclic Compounds

C. Aromatic Compounds

D. Aliphatic Compounds

b. Cracking

This reaction using heat and catalyst turns alkanes into alkenes.

a. Bromination

b. Cracking

c. Hydrogenation

d. Hydration

c. Hydration

This reaction through H2, heat with Ni catalyst, turns ethane into ethene.

a. Cracking

B. Bromination

c. Hydration

d. Hydrogenation

a. Substitution

Replacing a hydrogen:

a. Substitution

b. Combustion

c. Addition

d. Hydrogenation

c. Ester

The chemical CH₃CH₂COOCH₃ is an example of what type of organic compound?

a. Ketone

b. Ether

c. Ester

d. Aldehyde