A 5.0L reaction vessel contains hydrogen at a partial pressure of 0.588atm and oxygen gas at a partial pressure of 0.302atm. The limiting reactant in the following reaction: 2H2+O2→2H2O is:
A
H2
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B
O2
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C
none of these
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D
both (A) and (B)
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Solution
The correct option is AH2 In the given reaction, 2H₂ + O₂ → 2H₂O
Partial pressure of H₂ = 0.588 atm and Partial pressure of O₂ = 0.302 atm
The ratio of stoichiometric coefficients of H₂ and O₂ = 2:1
⇒ Partial pressure of H₂ required to react with 0.302 atm of O₂ :
= 2 x 0.302 = 0.604, which is less than the given amount (0.588 atm).