Question

Boric acid is solid, whereas $BF _3$ is gas at room temperature because of

• A. Strong hydrogen bond in Boric acid
• B. Strong van der Waal's interaction in Boric acid
• C. Strong covalent bond in $BF _3$
• D. Strong ionic bond in Boric acid

Answer 1

Answer: (A)

Strong hydrogen bond in Boric acid

Answer 2

The correct answer is (A) : Strong hydrogen bond in Boric acid
Boric acid has strong hydrogen bonding while BF3​ does not. Therefore boric acid is solid