Question

Boric acid is used in carom boards for smooth gliding of pawns because :

• A. molecules of boric acid are loosely chemically bonded and hence soft
• B. its low density makes it fluffy
• C. it can be powdered to very small grain size
• D. H-bonding in boric acid gives it a layered structure

Answer 1

Answer: (D)

H-bonding in boric acid gives it a layered structure

Boric acid is used in carom boards for smooth gliding of pawns because Hydrogen bonding in the boric acid gives it a layer structure.

Because of this layered structure, the pawns can easily slip over the surface of boric acid.