Pre Test

Question 1

Structural iosomerism

Answer 1

Same molecular formula but different structural formula

Question 2

Stereoisomerism

Answer 2

Same molecular formula but different arrangement of atoms in space

Question 3

Homolytic fission

Answer 3

When a molecule is broken into free radicals

Question 4

Radical

Answer 4

Highly reactive, neutral atoms

Question 5

How is a covalent bond formed from two radicals

Answer 5

The radicals collide and electrons are involved in the bond formation

Question 6

What is an alkane

Answer 6

A saturated hydrocarbon

Question 7

Shape and angle of an atom with 4 bonds

Answer 7

Tetrahedral

109.5

Question 8

What type of intermolecular forces do allánese have and why

Answer 8

London forces - induced dipole dipole as bonds are non polar

Question 9

Can alkanes dissolve in water

Answer 9

No as hydrogen bonds are stronger than London forces used in alkanes

Question 10

What is complete combustion

Answer 10

Combustion with plentiful supply of oxygen

Question 11

What is incomplete combustion

Answer 11

Combustion in limited supply of oxygen

Question 12

How are halogenoalkanes

Answer 12

Radical substitution

Question 13

Formula for r in sigma

Answer 13

1/2n(n+1)

Question 14

Formula for r squared

Answer 14

1/6n(n+1)(2n+1)