N2+3H2→2NH3
1 mol of N2 and 4 mol of H2 are taken in a 15L flask at 27∘C. After the complete conversion of N2 into NH3, 5L of H2O is added. The pressure set up in the flask is:
A
3×0.0821×30015atm
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B
2×0.0821×30010atm
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C
1×0.0821×30015atm
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D
1×0.0821×30010atm
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Solution
The correct option is D1×0.0821×30010atm N2+3H2→2NH3t=01mole4mole0t=tfinal01mole2mole
NH3 will be absorbed by water and the volume will be 15−5=10L.