JEE Main Chemistry question

ChemistryHydrocarbonsJEE Main

The number of 4° (quaternary) carbon atoms in 2,2,4,4-tetramethylpentane is

Answer: (B)

Solution

In CH₃–C(CH₃)₂–CH₂–C(CH₃)₂–CH₃, both C2 and C4 are each bonded to four other carbons — two quaternary carbons.

Question ID VK-139706