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Question

Acetylene (ethyne) burning in oxygen to give carbon dioxide and steam. The balanced reaction is:
  1. 2C2H2+3O24CO2+2H2O
  2. C2H2+5O24CO2+2H2O
  3. 2C2H2+5O24CO2+2H2O
  4. 2C2H2+5O23CO2+2H2O

A
2C2H2+3O24CO2+2H2O
B
2C2H2+5O23CO2+2H2O
C
2C2H2+5O24CO2+2H2O
D
C2H2+5O24CO2+2H2O
Solution
Verified by Toppr

The equation for the combustion reaction of ethane can be written as:
2C2H2+5O24CO2+2H2O

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Similar Questions
Q1
What volume of air (containing 20% O2 by volume) will be required to burn completely 10cm3 each of methane and acetylene.
CH4+2O2CO2+2H2O
2C2H2+5O24CO2+2H2O
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Q2
Oxygen oxidises ethyne to carbon dioxide and water as shown by the equation:
2C2H2+5O24CO2+2H2O

What volume (in dm3) of ethyne gas at STP, is required to produce 8.4 dm3 of carbon dioxide? [H=1,C=12,O=16]

(Please give your in the form of nearest integer)
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Q3
What volume of oxygen at STP is required to effect complete combustion of 200cm3 of ethylene?
C2H2+5O24CO2+2H2O
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Q4

What volume fo oxygen would be required to burn completely 400 ml. of acetylene [C2H2] Also, calculated the volume fo carbon dioxide formed.
2C2H2+5024CO2+2H2O(l)

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Q5
Find the enthalpy of reaction,
2HCCH+5O24CO2+2H2O
If the bond energies of CH, CC, O=O, C=O and OH bonds are p, q, r, s, t respectively
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