Question

Which of the following is a tertiary alkyl halide?

1) (CH₃)2CHCH₂Cl
2) (CH₃)2CClCH₂CH₃
3) (CH₃)2CHCHClCH₃
4) (CH₃)2CHCH₂CHClCH₂CH₃

Answer 1

Option 2, (CH₃)₂CClCH₂CH₃, is the tertiary alkyl halide because the carbon bonded to chlorine is connected to three other carbon atoms.

Step-by-step explanation:

To determine which of the given compounds is a tertiary alkyl halide, we need to identify the compound in which the halogen atom is attached to a carbon atom that itself is attached to three other carbon atoms. Here are the structures with halogen positions (Cl) analyzed:

Therefore, the correct answer is option 2: (CH₃)₂CClCH₂CH₃. This compound is a tertiary alkyl halide because the carbon bonded to chlorine is connected to three other carbon atoms.