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The gaseous hydrocarbon acetyle C2 H2  used in welder’s torch releases 1300kJ. When 1 mole C2 H2  under goes combustion, the which of the following is not true 

1) Combustion of acetylene is exothermic reaction 

2) The balanced chemical reacting combustion of acetylene is C2 H2 + 5O→ 2CO2 +H2 O

3) 2 moles of water produced 2 moles of acetylene reacts 

4) 44 g of CO2 produced when of acetylene reacts

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1 Answer

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by (43.3k points)

2) The balanced chemical reacting combustion of acetylene is C2 H2 + 5O→ 2CO2 +H2 O

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