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why we cannot seperate two substance whoes boiling point differ by 25k by distillation method (Not frational distillation |
| Answer» <html><body><p><strong>Answer:</strong></p><p>Why is the difference of 25K only <a href="https://interviewquestions.tuteehub.com/tag/taken-659096" style="font-weight:bold;" target="_blank" title="Click to know more about TAKEN">TAKEN</a> in <a href="https://interviewquestions.tuteehub.com/tag/fractional-998803" style="font-weight:bold;" target="_blank" title="Click to know more about FRACTIONAL">FRACTIONAL</a> distillation?</p><p><a href="https://interviewquestions.tuteehub.com/tag/hey-479830" style="font-weight:bold;" target="_blank" title="Click to know more about HEY">HEY</a>!</p><p></p><p>Fractional distillation is a technique in which you can separate two or more substances with small difference in boiling point.</p><p></p><p>Now the small difference depends upon how <a href="https://interviewquestions.tuteehub.com/tag/much-2164829" style="font-weight:bold;" target="_blank" title="Click to know more about MUCH">MUCH</a> pure substance you want.</p><p></p><p>As per your question, if the difference is more than 25 K(suppose 75K), then simple distillation is sufficient for the separation. There is no need for fractional distillation.</p><p></p><p>If the difference is less than 25 K(suppose 10K) then fractional distillation becomes useless until your apparatuses are highly accurate. In this case, you have to exploit other <a href="https://interviewquestions.tuteehub.com/tag/aspects-885713" style="font-weight:bold;" target="_blank" title="Click to know more about ASPECTS">ASPECTS</a> of the two substances you need to separate.</p><p></p></body></html> | |