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50 ml of given H_(2)O_(2) solution is added to excess KI solution in acidic medium. The liberated I_(2) requires 20 ml of 0.04 M standard Hypo solution. Weight of H_(2)O_(2) present in 250 ml of given solution is |
Answer» <html><body><p>`0.034g`<br/>`0.068g`<br/>`0.136g`<br/>none</p>Solution :`2I^(-)+H_(<a href="https://interviewquestions.tuteehub.com/tag/2-283658" style="font-weight:bold;" target="_blank" title="Click to know more about 2">2</a>)O_(2)+2H^(+)rarr2H_(2)O+I_(2)` <br/> `I_(2)+2S_(2)O_(3)^(-2)rarr2I^(-)+S_(4)O_(6)^(-2)` <br/> `W_(H_(2)O_(2))=<a href="https://interviewquestions.tuteehub.com/tag/8xx10-1931283" style="font-weight:bold;" target="_blank" title="Click to know more about 8XX10">8XX10</a>^(-3)<a href="https://interviewquestions.tuteehub.com/tag/xx-747671" style="font-weight:bold;" target="_blank" title="Click to know more about XX">XX</a>(250)/(<a href="https://interviewquestions.tuteehub.com/tag/1000-265236" style="font-weight:bold;" target="_blank" title="Click to know more about 1000">1000</a>)xx34=0.068gm`</body></html> | |