Ethyne on passing through red hot iron tube at $873 K$ will give

Polyethyne

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Cyclohexene

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Benzene

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Cyclobutadiene

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Solution

The correct option is C Benzene
Ethyne on passing through red hot iron tube at $873 K$ will give benzene.

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Similar questions

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}

C_{2} H_{2} (g) ⟶ 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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