Organic Chemistry- Reactions

Question 1

Combustion Reactions

Answer 1

Burn in excess oxygen and form carbon dioxide and water

Question 2

Addition Reactions

Answer 2

Double bond is broken

Question 3

Hydrogenation + reaction condition

Answer 3

Addition of hydrogen

Alkane dissolved in a non polar solvent with the catalyst in an atmosphere of hydrogen gas

Question 4

Halogenation + reaction condition

Answer 4

Addition of X2 to an alkene

Question 5

Hydrohalogenation + reaction condition

Answer 5

Addition of HX to any alkene

No water may be present

Question 6

Hydration + reaction condition

Answer 6

Addition of water to any alkene

Stream and a suitable catalyst

Question 7

Substitution reactions

Answer 7

one atom is replaced by another

Question 8

Free radical halogenation (alkanes to haloalkanes) + reaction condition

Answer 8

In the presence of light or heat

Question 9

Hydrolysis (haloalkanes to alcohols) + reaction condition

Answer 9

Heat under reflux in an alkalis solution (stops the reactant from escaping)

Question 10

Elimination reactions

Answer 10

Making double bonds

Question 11

Dehydrohalogenation + reaction condition

Answer 11

Elimination of HX from any haloalkane

Hot concentrated solution of NaOH or KOH in an ethanol solvent (in the absence of water)

Question 12

Dehydration of alcohols + reaction condition

Answer 12

Elimination of water from any alcohol

Acid catalysed dehydration- heating of alcohol with an excess of H2SO4 or H3PO4

Question 13

Cracking of hydrocarbons

-Thermal Cracking

Answer 13

High pressures and temperatures without a catalyst

Question 14

Cracking of hydrocarbons

-Catalytic Cracking

Answer 14

lower temperatures and pressures in the the presence of a catalyst