1.

10 ml of a mixture of carbon monoxide, marsh gas and hydrogen exploded with excess of oxygen gave a contraction of 6.5cc. There was further contraction of 7cc when the residual gas was treated with caustic potash. The volume of marsh gas present in original mixture as

Answer» <html><body><p>5cc<br/>2cc<br/>3cc<br/>4cc</p>Solution :<a href="https://interviewquestions.tuteehub.com/tag/volume-728707" style="font-weight:bold;" target="_blank" title="Click to know more about VOLUME">VOLUME</a> of CO = xCC <br/> Volume of <a href="https://interviewquestions.tuteehub.com/tag/marsh-555568" style="font-weight:bold;" target="_blank" title="Click to know more about MARSH">MARSH</a> <a href="https://interviewquestions.tuteehub.com/tag/gas-1003521" style="font-weight:bold;" target="_blank" title="Click to know more about GAS">GAS</a> = yCC <br/> Volume of nitrogen = `10-(x+y)C C` <br/> `{:("2 CO",+,"<a href="https://interviewquestions.tuteehub.com/tag/o2-582782" style="font-weight:bold;" target="_blank" title="Click to know more about O2">O2</a>",rarr,2CO_(2)),("x CC",,(x)/(2)"CC",,"xCC"):}` <br/> `{:(CH_(4)(g)+2O_(2)(g)rarrCO_(2)(g)+2H_(2)O(l)),(""darr),("YCC2yCCyCCvolume negligible"):}` <br/> Contraction in volume due to bruning of CO <br/> `=x+(x)/(2)-x-(x)/(2)C C` <br/> Contraction in volume due to burning of `CH_(4)` <br/> `=y+2y-y=2yC C` <br/> `(x)/(2)+2y=6.5C Corx+4y=13C C` <br/> volume of `CO_(2)` produced = `x+y` <br/> contraction in volume with caustic <a href="https://interviewquestions.tuteehub.com/tag/potash-1161117" style="font-weight:bold;" target="_blank" title="Click to know more about POTASH">POTASH</a> = 7CC <br/> `x+4y=13impliesx+y=7impliesy=2impliesx=5` <br/> `CO=5C C""CH_(4)=2C C""N_(2)=3C C`</body></html>


Discussion

No Comment Found

Related InterviewSolutions