When ethyne is passed through a red hot tube- then formation of benzene takes place- - H f C 2 H 2 g o -230kJ mol -1 - H f C 6 H 6 g o -85kJ mol -1Calculate the standard heat of trimerisation of ethyne to benzene- C 2 H 2 g- C 6 H 6 g

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Heat of Reaction

When ethyne i...

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When ethyne is passed through a red hot tube, then formation of benzene takes place:
$Δ H_{f (C_{2} H_{2}) (g)}^{o} = 230 k J {m o l}^{- 1}$
$Δ H_{f (C_{6} H_{6}) (g)}^{o} = 85 k J {m o l}^{- 1}$
Calculate the standard heat of trimerisation of ethyne to benzene.
$C_{2} H_{2} (g) ⟶ C_{6} H_{6} (g)$

205 k J {m o l}^{- 1}

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605 k J {m o l}^{- 1}

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- 605 k J {m o l}^{- 1}

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- 205 k J {m o l}^{- 1}

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Δ H_{f (C_{2} H_{2}) (g)}^{\circ} = 230 k J m o l^{- 1}

H_{f (C_{6} H_{6}) (g)}^{\circ} = 85 k J m o l^{- 1}

3 C_{2} H_{2} (g) \to C_{6} H_{6} (g)

Δ H_{f (C_{2} H_{2}) (g)}^{\circ} = 230 k J m o l^{- 1}

H_{f (C_{6} H_{6}) (g)}^{\circ} = 85 k J m o l^{- 1}

3 C_{2} H_{2} (g) \to C_{6} H_{6} (g)

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