A) \[{{\text{C}}_{\text{2}}}{{\text{H}}_{\text{6}}}\]
B) \[\text{C}{{\text{H}}_{4}}\]
C) \[\text{N}{{\text{H}}_{3}}\]
D) \[\text{C}{{\text{O}}_{\text{2}}}\text{+N}{{\text{O}}_{\text{2}}}\]
Correct Answer: B
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