M1

Question 1

Is the chemistry of carbon-containing compounds.

Answer 1

Organic Chemistry

Question 2

What are examples of carbon that are not classified as organic compounds (5)?

Answer 2

Carbonates, Bicarbonates, Oxides of Carbon, Carbides, Cyanides

Question 3

Organic chemistry is the chemistry of compounds of carbon that usually contain ________.

Answer 3

Hydrogen

Question 4

Organic compounds may also contain other elements such as oxygen, nitrogen, sulfur, phosphorus, or any of the _______, as well as a host of other carbonaceous derivatives.

Answer 4

Halogens

Question 5

Organic chemistry was first defined as a branch of modern science by?

Answer 5

Jon Jacob Berzelius

Question 6

Jon Jacob Berzelius classified chemical compounds into the two groups.

Answer 6

Organic and Inorganic Compounds

Question 7

He believed in vitalism.

Answer 7

Jon Jacob Berzelius

Question 8

The idea that organic compounds could only originate from living organisms through the action of some vital force.

Answer 8

Vitalism

Question 9

He discovered that urea, an organic compound, could be made by heating ammonium cyanate (an inorganic compound).

Answer 9

Friedrich Wöhler

Question 10

Friedrich Wöhler’s discovery also represented the discovery of _________ - the possibility of two or more different structures based on the same chemical formula.

Answer 10

Isomerism

Question 11

He established the foundation for the structural theory in organic chemistry.

Answer 11

Friedrich August Kékulé

Question 12

What are three (3) generally accepted sources of organic compounds?

Answer 12

Carbonized organic matter - Living organisms - Invention

Question 13

Are organic compounds flammable or inflammable?

Answer 13

Flammable

Question 14

Organic compounds are __________ bonded.

Answer 14

Covalently

Question 15

Carbon always forms ____ covalent bonds.

Answer 15

Four (4)

Question 16

Hydrogen always forms ___ covalent bond.

Answer 16

One (1)

Question 17

Are most organic compounds soluble or insoluble in water?

Answer 17

Insoluble

Question 18

Organic compounds with less than _ carbon atoms are soluble in water.

Answer 18

3

Question 19

Organic compounds with _ to _ carbon atoms are slightly soluble in water.

Answer 19

4-5

Question 20

Organic compounds with _ carbon atoms and above are insoluble in water.

Answer 20

6

Question 21

Are organic compounds soluble in polar or non-polar organic solvents?

Answer 21

Non-polar

Question 22

Are organic compounds electrolytes or nonelectrolytes?

Answer 22

Nonelectrolytes

Question 23

Do organic compounds have high or low melting or boiling points?

Answer 23

Low

Question 24

Do organic compounds exhibit isomerism?

Answer 24

Yes

Question 25

Involves the ‘sharing’ of a pair of electrons between two atoms and this leads to the formation of a bond holding the two atoms together.

Answer 25

Covalent Bond

Question 26

Is most often used to describe the bonding in organic molecules.

Answer 26

Valence Bond Theory

Question 27

In this model, bonds are considered to form from the overlap of two atomic orbitals on different atoms, each orbital containing a single electron.

Answer 27

Valence Bond Theory

Question 28

Orbitals that overlap extensively form bonds that are _______ than those that have less overlap.

Answer 28

Stronger

Question 29

Is a covalent bond in which the electron density is concentrated in the region along the internuclear axis.

Answer 29

Sigma (σ) bond

Question 30

Is a type of covalent bond that results from the side-by-side overlap of two p orbitals.

Answer 30

Pi bond (π bond)

Question 31

In this bond, the regions of orbital overlap lie on opposite sides of the internuclear axis.

Answer 31

Pi bond (π bond)

Question 32

Between any two atoms, the first bond formed will always be a _ bond, but there can only be one _ bond in any one location.

Answer 32

Sigma σ

Question 33

Is a concept of mixing two atomic orbitals with the same energy levels to give a degenerated new type of orbitals.

Answer 33

Hybridization

Question 34

Hybridization a concept of mixing two ______ ________ with the same energy levels to give a degenerated new type of orbitals.

Answer 34

Atomic Orbitals

Question 35

Is the idea that atomic orbitals fuse to form newly hybridized orbitals, which in turn, influences molecular geometry, molecular shapes, and bonding properties.

Answer 35

Hybridization

Question 36

It is observed when one s and one p orbital in the same main shell of an atom mix to form two new equivalent orbitals.

Answer 36

Diagonal or sp hybridization

Question 37

sp hybridization is observed when one s and one p orbital in the same main shell of an atom mix to form ___ new equivalent orbitals.

Answer 37

Two

Question 38

In sp hybridization, __ and __ are unhybridized.

Answer 38

py and pz

Question 39

sp hybridization forms linear molecules with an angle?

Answer 39

180 degrees

Question 40

It is observed when one s and two p orbitals of the same shell of an atom mix to form three equivalent orbitals.

Answer 40

Trigonal or sp2 hybridization

Question 41

sp2 hybridization is observed when one s and two p orbitals of the same shell of an atom mix to form _____ equivalent orbitals.

Answer 41

Three

Question 42

In sp2, all the three hybrid orbitals remain in one plane and make an angle of ___° with one another.

Answer 42

120 degrees

Question 43

In sp2 hybridization, __ is unhybridized.

Answer 43

pz

Question 44

sp2 hybridization has a __________ planar shape.

Answer 44

Triangular Planar

Question 45

It is observed when one ‘s’ orbital and 3 ‘p’ orbitals belonging to the same shell of an atom mix together to form four new equivalent orbital.

Answer 45

Tetrahedral or sp3 hybridization

Question 46

sp3 hybridization is observed when one ‘s’ orbital and 3 ‘p’ orbitals belonging to the same shell of an atom mix together to form ____ new equivalent orbital.

Answer 46

Four

Question 47

The orbitals in sp3 make an angle of ___°__’ (minutes) with one another.

Answer 47

109°28’