Q. A hydrocarbon ' $X$ ' with formula $C _6 H _8$ uses two moles of $H _2$ on catalytic hydrogenation of its one mole. On ozonolysis, ' $X$ ' yields two moles of methane dicarbaldehyde. The hydrocarbon ' $X$ ' is :
Solution:
Correct answer is (d) cyclohexa-1, 4-diene
