General Chemistry - Department Of Dental Technologies - College Of Health & Medical Technology - University Of Al-ayen

1,3-pentamethylpropane  

1,1,3,3-tetramethylbutane 

2,4,4-trimethylpentane

2,2,4-trimethylpentane

Option 1

Option 2

Option 3

Option 4

Option 1

Option 2

Option 3

Option 4

Option 1

Option 2

Option 3

Option 4

Option 1

Option 2

Option 3

Option 4

Option 1

Option 2

Option 3

Option 4

Option 1

Option 2

Option 3

Option 4

4-vinyl-2-pentyne 

4-methylhex-2-yn-5-ene 

3-methylhex-4-yn-1-ene

3-methylhex-1-en-4-yne

Si

P

N

O

Energy decreases

Energy increases 

Energy of the system does not change        

Electron-electron repulsion becomes more than the nucleus-electron attraction