Which of the following molecule(s) contain A − O − A type bond and not peroxide linkage?

Question

TestHub · Accepted Answer

The correct options are (A), (B), and (D) because they contain B–O–B linkages and no peroxide bonds.

Borax (A) and $N a [B_{3} O_{3} (O H)_{4}]$ (D) form ring structures with bridging oxygen atoms (B–O–B) and terminal –OH groups.

$N a_{3} B_{3} O_{6}$ (B) consists of a cyclic metaborate trimer ring made of alternating boron and oxygen atoms.

$N a_{2} [B_{2} O_{4} (O H)_{4}]$ (C) contains a peroxide linkage (B–O–O–B), which excludes it from the required criteria.

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