TOPIC QUIZ: Organic Chemistry

What are the hybridizations of the orbitals between carbons 3 and 4 in the molecule CH2=CHCH₂CH₂CH₂?

sp3 - sp3

What are the hybridizations of the orbitals between carbons 1 and 2 in the molecule CH2=CHCH₂CH₂CH₂?

sp3 - sp3

Hydroxy acid.

Lactic acid

What could be another name for lactic acid?

2-hydroxyl propionic acid

Select the carbohydrate used as acidulant, especially in infant feeding formula:

Lactic Acid

An organic compound with a molecular formula C10H22 is most likely a/an

Alkane

What is the common name of tetramethylmethane?

neopentane

Give the IUPAC name of the given chemical: CH2=CHCH₂CH₂CH₂

1-pentene

Which of the following anesthetics is NOT volatile liquid?

Cyclopropane

 A given compound has a molecular formula of C4H8. The compound can be classified as what type of Hydrocarbon?

I. Alkane

II. Alkene

III. Cycloalkane

II and III

1,2 position

Ortho

Methyl benzene is also known as:

toluene

Benzaldehyde is synthetic:

Bitter almond oil

Which is TRUE for alcohols?

Water solubility increases with an increase in the number of hydroxyl group

Which of the following alcohols is the most water soluble?

Methanol

Which of the following statements is/are true regarding oxidation of alcohols?

Tertiary alcohols ordinarily are not oxidized

Which of the following compounds can be used to synthesize secondary alcohols?

Propanone

Give the IUPAC name of the given chemical: CH(OH)₂CH2₂CH₂CH₂CH₂

Pentan-1,1-diol

Give the IUPAC name of the given chemical: CH₃CH=CHCH₂CH₂OH

2-penten-5-ol

Chemical classification of Glycerin

Alcohol

What is another name for phenylmethanol?

Benzyl alcohol

The functional group in pyridoxine is:

Alcohol

Ascorbic acid and tetracycline are:

Enols

Which of the following is the least stable vitamin?

Ascorbic acid

Which of the following is NOT an alcohol?

Eucalyptol

A phenol primarily obtained from clove oil:

Eugenol

Which of the following will develop a green color which turns slowly to dark green blue coloration, when an aliquot portion of the residue obtained by dissolving the unknown in hot methanol is treated with ferric chloride TS?

Hesperidin

Which of the following is an oleoresin?

Gingerol

What is the type formula for ethers?

ROR

The chemical CH₂OCH₃ is an example of what type of organic compound?

Ether

What is the type formula of the chemical Methoxyethane?

ROR

In one of the tests for Ether, USP using potassium iodide, iodine was liberated (as a colored solution). What is the contaminant present?

Ether peroxides

Which of the following is the type formula for aldehydes?

RCHO

C3H6O can be a/an

Both Aldehyde and Ketone

The simplest ketone is:

propanone

Functional groups present in Pyruvate

Ketone and Carboxylic Acid

Which of the following drugs is/are a butyrophenone derivative?

I. Thioridazine

II. Fluphenazine

III. Droperidol

IV. Haloperidol

III and IV

Which of the following pairs is correctly matched?

AOTA

What is the correct chemical formula for 2-pentanone?

CH₃CH₂CH₂COCH₃

Which of the following is the general formula for carboxylic acid?

RCOOH

What is the common name of the compound, CH₃(CH₂)10COOH?

Lauric Acid

Stearic acid salts are useful in the drug industry as tablet lubricants. What is the chemical formula of stearic acid?

CH₃(CH₂)16COOH

Rancidity of fats may be due to:

Oxidation of double bonds

Hydroxybenzoic acid is more commonly known as

Salicylic acid

What is the IUPAC name of valproic acid?

2-Propylpentanoic acid

Which of the following local anesthetics are benzoic acid derivatives?

Procaine

Local anesthetic that is NOT a derivative of benzoic acid is:

Lidocaine

What is the role of citric acid in promoting the analgesic potency of fentanyl effervescent tablets?

It promotes dissolution of fentanyl into saliva

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

Lipids

The chemical CH₂CH₂COOCH₃ is an example of what type of organic compound?

Ester

The chemical CH₃CH₂COOCH₃ is given what IUPAC name?

Methyl Propanoate

Which of the following functional groups is susceptible to hydrolysis?

R-COOR

Hydrolysis of Ester will yield:

I. Aldehyde

II. Alcohol 

III. Ether

IV. Carboxylic acid

II, IV

Methylsalicylate is also known as:

Oil of Wintergreen

Procaine is a/an:

Ester

Cocaine is chemically:

Methyl ester of benzoylecgonine

Which of the following anesthetics are amino esters?

I. Cocaine

II. Lidocaine

III. Benzocaine 

IV. Prilocaine

I, III

What statements can best describe fats chemically?

fats are esters of glycerin and fatty acids

Derivative of carboxylic acid which is formed from the removal of one molecule of water in two RCOOH.

Acid Anhydride

Which of the following functional groups is the most basic?

Amine

Paracetamol chemically is a/an:

Aniline derivative

The following structure is the side chain of amino acid tryptophan. What is the name of the following structure?

Indole

Aromatic Phenothiazine derivatives

I. Chlorpromazine

II. Promazine 

III. Triflupromazine

IV. Prochlorperazine

I, II, III

Phenothiazine derivative

Thioridazine

An aliphatic phenothiazine derivative

Chlorpromazine

Which of the listed phytopharmaceuticals are classified as alkaloids?

I. Atropine

II. Colchicine

III. Curcumin

IV. Digoxin

V. Gingerol

VI. Eugenol

VII. Hesperidin

VIII. Quinine

I, II, IV, VIII

Which of the following is identified by the Vitali-Morris (Vitali-Morin) reaction whereby a violet coloration is observed when the residue of the unknown is treated with a drop of freshly prepared potassium hydroxide solution?

Atropine

Which of the following is identified by the Thalleoquin test?

Quinine

Mescaline is a/an derivative.

Phenyl-ethylamine

Which is True to the alkaloid quinine sulphate?

May be dissolved in water by addition of a small amount of sulphuric acid to convert it to more soluble bisulfate

Functional group of the beta - lactam ring

Amide

BAL is:

British Anti-Lewisite

Derivatives of benzylsulfonylurea useful as

Oral hypoglycemic

Sulfamate-substituted monosaccharide (related to fructose)

Topiramate

Freon

Dichlorofluoromethane

Functional group present in CH₃COCI

Acid Halide

Which of the following can be considered as an isomer of n-propanol?

2-propanol

2-pentanol and 3-pentanol are:

positional isomers

Propanone and 1-propen-1-ol are considered as:

Tautomers

A compound with a molecular formula of C2H6O is most like to be a/an

Both Alcohol and Ether

Which statements best characterize stereoisomers?

I. They do not differ in the order of their atoms.

II. They differ in the order and kind of atoms.

III. They differ in the spatial arrangement of their atoms.

IV. They do not differ in their configuration.

I, III

Conformation of organic molecules is most commonly determined by which of the following analytical methods?

Nuclear Magnetic Resonance

What is the most stable conformation of cyclohexane?

Chair

Which of the following statements describe cis- and trans-isomerism?

I. Occurs only in organic compounds.

II. Occurs in both organic and inorganic compounds.

III. Trans-alkenes have lower solubility in inert solvents than their cis counterparts.

IV. Cis-and trans-isomers often have different physical properties.

II, III, IV

A carbon with four different moieties attached to it is generally called

Stereocenter

Stereoisomers that are not mirror-images of each other are called

Diastereomers

Epimers

D-glucose and D-galactose

These are compounds with stereocenters but are achiral.

Meso compounds

Equal amounts of two isomers are called:

Racemic mixture

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

Polymerization

Which of the following processes refers to changing optically active compound to a non-optically active compound?

Racemization

Given the molecule Pentan-1,2-diol, which carbon is considered as the chiral center?

C2

Which of the following substituents is ortho-para directing in a benzene ring?

CH₃

Which of the following benzene ring substituents can act as meta directors?

-COOH

Among the acids of halogens, which is considered to be the most acidic?

HI

#4

III < II < I

#5

II > I > III

#6

II > IV > III > I

#7

I > IV > III> I

#8

I < IV < III < II