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Question: $\begin{array}{c} \mid \\ -C-O-C- \text{ bond angle in ethers is} \\ \mid \end{array}$ ...

∣−C−O−C− bond angle in ethers is∣\begin{array}{c} \mid \\ -C-O-C- \text{ bond angle in ethers is} \\ \mid \end{array}

A

180°

B

Lower ethers are highly volatile and highly inflammable substances

C

Ethers contain an oxygen atom

D

Diethyl ether was used as general

Answer

The correct options are (b), (c), and (d).

Explanation

Solution

  • (a) The –C–O–C– bond angle in ethers is around 110° due to the sp³ hybridization of oxygen with two lone pairs. Hence, 180° is incorrect.
  • (b) Lower ethers are indeed volatile and highly inflammable.
  • (c) By definition, ethers contain an oxygen atom bonded to two alkyl groups.
  • (d) Diethyl ether was historically used as a general anesthetic.

(a) is false because the bond angle is approximately 110° (not 180°). (b), (c), and (d) are true based on the properties and historical use of ethers.