A class of organic compounds that contain an oxygen between two alkyl groups is called:

Correct option is D

The correct answer is (d) ether.
 Ethers are a class of organic compounds with an oxygen atom connected to two alkyl or aryl groups.
 The general formula for ethers is R-O-R', where R and R' are alkyl or aryl groups.
 Ethers are relatively unreactive compared to alcohols and aldehydes.
 They are often used as solvents in organic chemistry due to their low reactivity.
 Ethers have lower boiling points than alcohols of similar molecular weight.
 The oxygen in ethers has a bent shape due to the two lone pairs of electrons.
 Ethers can be symmetrical (both R groups are the same) or asymmetrical (different R groups).
 Common examples include diethyl ether, used as an anesthetic and solvent.
 Ethers do not form hydrogen bonds with themselves but can act as hydrogen bond acceptors.
 Ethers are also used in pharmaceuticals and as intermediates in chemical syntheses.