Q. Total no. of substance which contain hexagonal planer rings in their structures graphite, $(BN)_{x}$ , $B_{3} N_{3} H_{6}$ , $C_{6} H_{6}$ , $B_{2} H_{6}$ , $H_{3} P_{3} O_{9}$ :

2426 192 The p-Block Elements Report Error

Answer: 4

Solution:

Graphite, $(BN)_{x}$ , $B_{3} N_{3} H_{6}$ , $C_{6} H_{6}$