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Question: Identify 2-propoxy benzene from following...

Identify 2-propoxy benzene from following

Answer

2‑propoxybenzene is the compound with structure

C6H5−O−CH(CH3)2.\rm C_6H_5-O-CH(CH_3)_2.
Explanation

Solution

Solution:

A “2‑propoxy” group means that in the propoxy chain (–CH₂CH₂CH₃) the oxygen is attached to the second carbon. In other words, rather than being a straight n‑propoxy (Ph–O–CH₂CH₂CH₃), the alkoxy substituent is in its isomeric form – the isopropoxy group, i.e. –CH(CH₃)₂. Thus, when this group is attached to benzene, we obtain

Ph–O–CH(CH3)2,\text{Ph–O–CH(CH}_3\text{)}_2,

which is known as 2‑propoxybenzene (or isopropoxybenzene).

Explanation (minimal):

  • “2‑propoxybenzene” indicates the benzene ring bears an alkoxy group where the oxygen is bound to the second carbon of a propyl unit.
  • This gives the structure: C6H5−O−CH(CH3)2.\rm C_6H_5-O-CH(CH_3)_2.
  • Hence, among the options, the compound with an isopropoxy group on the benzene ring is the correct answer.