Final answer:
In William Golding's 'Lord of the Flies', it is Piggy who tries to speak by grabbing the conch shell before it gets destroyed, which symbolizes the end of order on the island.
Step-by-step explanation:
The character who tries to speak by grabbing the conch shell right before it is destroyed is Piggy. In William Golding's novel Lord of the Flies, the conch shell symbolizes order and civilization among the boys on the island. Piggy, who represents the voice of reason and rationality, attempts to hold onto this symbol of order when he holds the conch and tries to speak. However, the destruction of the shell signifies the complete descent into savagery and the end of structured society within the group.