The correct structure of 2- Methyl pentane is
2- Methyl pentane has 5 carbon atoms with one methyl group present at the 2nd carbon. Therefore, the structure given below is the correct answer:
The correct bondline structure of 4-hydroxy -4-methyl pentan-2-one is
n - hexane X−→ 2 - methyl pentane+ 3 - methyl pentane. The name of the reaction and 'x' is