PHYPHARM QUIZ 1

Question 1

What are the 2 Types of Attraction in Molecules?

Answer 1

Intermolecular bonds
Intramolecular forces

Question 2

It is any force that holds together the atoms making up a molecule or a compound?

Answer 2

Intramolecular forces

Question 3

A force that acts between molecules and holds molecules close to one another in liquids and solids?

Answer 3

Intermolecular forces

Question 4

What are the manifestations of intermolecular forces?

Answer 4

Adhesion
Cohesion

Question 5

It is the Attraction of unlike molecules?

Answer 5

Adhesion

Question 6

It is the attraction of like molecules?

Answer 6

Cohesion

Question 7

Is is the forces found within a molecule?

Answer 7

Intramolecular forces

Question 8

What are the bonds in intramolecular forces?

Answer 8

Ionic bond
Hydrogen bond
polar covalent bond
non-polar covalent bond
metallic bond

Question 9

it is the unequal sharing of electrons thus creating + & - charges?

Answer 9

polar covalent bonds

Question 10

it is the equal sharing of electrons?

Answer 10

Non-polar covalent bonds

Question 11

It involves the transfer of electrons?

Answer 11

Ionic bond

Question 12

What are the 4 main types of intermolecular attractive forces?

Answer 12

Vander Waals Forces
Ion-Dipole Forces
Hydrogen Bond
Hydrophobic bond
Dipole

Question 13

What are the types of forces under vander waals forces?

Answer 13

Dipole-dipole forces
Dipole-induced dipole forces
induced dipole-induced dipole forces

Question 14

It is the weakest force and the fastest it changes to the states?

Answer 14

Van der waals forces

Question 15

It is referred to as Orientation effect or Keesom
Orientation Forces

Answer 15

Dipole-dipole forces

Question 16

Two polar molecules align so that δ+ and δare matched (electrostatic attraction).
Permanent dipoles

Answer 16

Dipole-dipole forces

Question 17

Molecules that possess permanent dipoles include
water, HCl, alcohol, acetone, phenol and peptide
bonds in proteins

Answer 17

Dipole-dipole forces

Question 18

The strongest the force, the highest the boiling point?

Answer 18

Dipole-dipole effect

Question 19

What are the examples of dipole-dipole effect?

Answer 19

water ,hcl, alcohol, acetone, phenol, and peptide bond in protein

Question 20

what does induce mean?

Answer 20

to cause or bring about

Question 21

It is referred to as Induction Effect or Debye Forces?

Answer 21

Dipole-Induced Dipole

Question 22

What is the energy of Dipole-dipole forces?

Answer 22

1-7 kcal/mole

Question 23

A dipole can induce (cause) a temporary
dipole to form in a nonpolar molecule

Answer 23

Dipole-induced dipole

Question 24

what is the energy of dipole-induced dipole?

Answer 24

1-3kcal/ mole

Question 25

It is referred to as Dispersion Effect or induced dipole- induced dipole interaction?

Answer 25

London Dispersion Effect

Question 26

A temporary dipole forms in a nonpolar
molecule… which leads to… a temporary
dipole to form in ANOTHER non-polar
molecule.

Answer 26

London Dispersion Forces

Question 27

What is the energy of London Dispersion Forces?

Answer 27

0.5-1kcal / mole

Question 28

What are the common examples of nonpolar gases?

Answer 28

He
Ne
Kr
Xe

Question 29

What are the other nonpolar gases?

Answer 29

H2
N2
O2
CO2
CH4
C2H4

Question 30

It is between two polar molecules?

Answer 30

Dipole-dipole

Question 31

It is between polar and non polar molecules?

Answer 31

Dipole-indcued dipole

Question 32

It is between two nonpolar molecules?

Answer 32

London Dispersion

Question 33

It accounts for the solubility of ionic crystalline substances in polar solvents?

Answer 33

Ion-dipole forces

Question 34

What are the examples of Ion dipole forces?

Answer 34

walt in water

Question 35

it accounts for the formation of potassium trioxide complex?

Answer 35

Ion-Induced dipole forces

Question 36

It is a special case for dipol-dipole interactions between the hydrogen atom in a polar N-H, O-H, or F-H bond and an electronegative O,N, or F atom?

Answer 36

Hydrogen bond

Question 37

What is the energy of Hydrogen Bonds?

Answer 37

3-8 kcal/mole

Question 38

Press mo lang

Answer 38

NOTE: Not all dipole-dipole are hydrogen bond

Question 39

they are low water-soluble molecules and are usually long chains of carbons that do not interact with water molecules

Answer 39

Hydrophobes

Question 40

The can occur in substances which cannot participate in hydrogen bonding?

Answer 40

Hydrophobes

Question 41

Who discovered the cause of hydrophobic interactions?

Answer 41

Walter Kauzmann

Question 42

RANK the intramolecular forces from strongest to weakest

Answer 42

Ionic bonds
hydrogen bonds
polar covalent bonds
nonpolar covalent bonds