Chemistry - CHEMICAL BONDING Question with Solution | TestHub

H₂O vs HF: Water forms an extensive H-bond network, so its heat of vaporisation is higher than HF → correct.

Graphite & diamond: Their structures contain no dangling bonds in the bulk crystal → statement is incorrect if stated as a general structural property.

Fullerene vs diamond: Diamond is thermodynamically more stable than fullerene under standard conditions → statement is incorrect.

In red phosphorus, each P atom is covalently bonded to 3 other P atoms → correct.

Hence, according to the given answer, C​ is the intended incorrect statement.