Quiz - Alkenes | Alkenes

1

The double bond of an alkene is made up of:

2 σ bonds

 

1 σ bond + 1 π bond

 

 

1 σ bond + 1 lone pair of electrons

 

2 π bonds

 

C=C bond of an alkene is made up of:
​​​​​​​1 σ bond ⇒ formed from 2 sp2 orbitals of carbon atoms
1 π bond ⇒ formed from 2 p orbitals of carbon atoms

2

The 2 hydrogen atoms of 2-methylbut-1-ene are:

Cis

Trans

Geminal

Acidic

​​​​​​​

3

The 2 hydrogen atoms of (Z)-but-2-ene are:

Cis

Trans

Geminal

Acidic

​​​​​​​

4

What is the degree of unsaturation for benzene?

1

2

3

4

 

1 ring + 3 double bonds 
​​​​​​​⇒ 4 unsaturations

5

What is the degree of unsaturation of (E)-5-methylhex-2-ene?

1

2

3

4

 

1 double bond
​​​​​​​⇒ 1 unsaturation

6

How many different product(s) is (are) formed during the dehydration of butan-2-ol?

1

2

3

4

​​​​​​​​​​​​​​