Elimination reactions

Question 1

What does elimination of a halogenoalkane form?

Answer 1

An Alkene
Water
Metallic salt

Question 2

What does halogenoalkane react with in an elimination reaction?

Answer 2

A metal hydroxide alkali dissolved in ethanol

Question 3

How is water formed in an elimination reaction of halogenoalkane?

Answer 3

The OH- ions react as a base to remove the H+ ion from the halogenoalkane = water

Question 4

How is a metallic salt formed in an elimination reaction of halogenoalkane?

Answer 4

Metal from alkali hydroxide reacts with halogen ion removed to form a metallic salt

Question 5

Is elimination reaction of halogenoalkane done under reflux?

Answer 5

Yes

Question 6

how is Alkene formed in an elimination reaction of halogenoalkane?

Answer 6

Removal of the H+ ion and removal of Halogen ion = forms a double bond

Question 7

Elimination of halogenoalkanes conditions

Answer 7

Reflux
Hydroxide alkali dissolved in ethanol

Question 8

What does elimination of alcohols form?

Answer 8

An Alkene
Water

Question 9

How is water formed in an elimination reaction of alcohol?

Answer 9

OH group removed as well as a H+ ion from an adjacent carbon to form a water

Question 10

How is Alkene formed in an elimination of alcohol?

Answer 10

OH group and H group removed so forms double bond across 2 carbon

Question 11

Catalyst for elimination reaction of alcohol?

Answer 11

Concentrated phosphoric acid
Heated