In the case of a covalent non-polar bond, the difference in electronegativity between two bonded atoms is ___.

0.0-0.5

In the case of a covalent, polar bond, the difference in electronegativity between two bonded atoms is ___.

0.5-1.67

If the electronegativity difference between two bonded atoms is higher than ___, the bond is called an ionic bond.

1.67

The higher the electronegativity difference between two bonded atoms, the more ___ is the covalent bond.

Polar

The state of hybridization of carbon in methane is ___ whereas it is ___ in ethylene.

- sp3 (methane)

- sp2 (ethylene)

Carbon is ___ hybridized in ethane whereas ___ in acetylene.

- sp3 (ethane)

- sp (acetylene)

How many sigma bond and pi bond are present in the ethylene (C₂H₄) molecule?

- 5 sigma

- 1 pi

How many sigma bond and pi bond are present in the acetylene (C₂H₂) molecule?

- 3 sigma

- 2 pi

In benzene, the carbons are ___ hybridized.

sp2

As the number of nearly equivalent resonance contributors ___, the resonance energy ___.

- increases

- increases

CH₃-CH₂-CH₂-CH₃

The compound is the structure of ___.

Butane

Write the structure of n-hexane and Cyclohexane.

Write the structure of Hex-3-yne.

tButyl iodide is a ___ alkyl halide.

tertiary

Isopropyl fluoride is a ___ alkyl halide.

secondary

Ethyl bromide is a ___ alkyl halide.

primary

The IUPAC name of methyl chloride is ___.

chloromethane

The IUPAC name of Cyclobutyl bromide is ___.

bromocyclobutane

The IUPAC name of Cyclohexyl fluoride is ___.

fluorocyclohexane

Write the structure of Iodobenzene.

Glycerol is an example of ___ alcohol.

trihydric

Phenol is also known as ___ acid.

carbolic

Neopentyl acohol

Cyclobutanol

Write the name and structure of two symmetrical and non-symmetrical ethers.

- Symmetrical: dimethyl ether (metoxymethane) and diethyl ether (etoxyethane)

- Nonsymmetrical: ethyl-methyl ether (methoxyethane) and methyl-phenyl ether (methoxybenzene)

The common name of Methoxymethane is

Dimethyl ether

The IUPAC name of anisole is ___.

methoxybenzene

Write the structure of TBME (methyl tert-butyl ether).

Triethylamine is widely used as an organic ___ in the laboratory.

base

Aniline

p-Anisidine

Pyrrole

Pyridine

Quinoline

Imidazole

Indole

Pyrimidine

Write the structures of two aliphatic cyclic amines.

Pyridine and quinoline

In carbonyl compounds, the carbonyl carbon is ___ hybridized.

sp2

Hexanol

Hexanal

Write the structure of y-hydroxyvaleraldehyde.

The carbonyl carbon in acetic acid is ___ hybridized.

sp2

The carbonyl carbon in acetic acid contains ___% s-character, whereas the carbon in methanol contains ___% s-character.

- 33% (acetic acid)

- 25% (methanol)

The common name of ethanoic acid is ___.

acetic acid

2-bromobutanoic acid

Valeric acid

The reverse reaction of esterification is known as ester ___.

hydrolysis

Write the name of an ester that is widely used as a solvent in organic chemistry.

Tetrahydrofuran

Ortho, meta, para-xylene

Beta-lactam is a four-membered ___ amide, whereas ___ lactam is ___ membered cyclic ___.

- cylic

- gamma y

- five

- amide

The general formula of alkanes is ___.

C_nH_2n+2

The name of the following compound is

Pyrene

To achieve noble gas configuration, hydrogen requires ___ whereas chlorine requires ___ in the outermost shell.

- duet

- octet

The ___ the number of relatively stable resonance contributors, the ___ the resonance energy.

- higher

- higher

The other name of Methylbenzene is ___.

Toluene

In pericondensed polyaromatic hydrocarbon, one or more carbon atoms must be a common number of ___ benzene rings.

three

H₂NCH₂CH₂CH₂CO₂H

The name of the compound is ___.

4-aminobutanoic acid

Benzoyl chloride is an example of

aromatic acid chloride

Acetyl chloride is an example of

aliphatic acid chloride

Acetic anhydride is an example of

aliphatic acid anhydride

Phtalic anhydride is an example of

heterocyclic acid anhydride

Formamide is an example of

aliphatic amide

Benzamide is an example of

aromatic amide