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3C(2)H(2)hArr C(6)H(6) the above reactio...

`3C_(2)H_(2)hArr C_(6)H_(6)` the above reaction is performed in a 1 lit vessel.Equilibrium is established when 0.5 mole of benzene present at certain temperature.If equilibrium constant is` 4 lit ^(2)`mol`e ^(-2)`.The total number of moles of the substances present at equilibrium.
1) 0.5
2) 1
3) 1.5
4) 2

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