What volume of dioxygen is required for complete combustion of 2 volum

1.	What volume of dioxygen is required for complete combustion of 2 volume of acetylene gas at NTP ?
Answer» 2 volumes 5 volumes 10 volumes 4 volumes Solution :`UNDERSET(1 VOL.)(C_2H_2)+underset(5/2vol.)(5/2O_2) to underset(2vol.)(2CO_2)+H_2O` 1 vol. of `C_2H_2` REQUIRES = `5/2 " vol. of " O_2` 2 vol. of `C_2H_2 " requires " = 5/2xx2=5 vol. " of " O_2`

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