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0.5 g bleaching powder was suspended in water and excess KI is added. On acidifying with dil. H_(2)SO_(4), I_(2) was liberated which required 50 mL of N//10 hypo (Na_(2)S_(2)O_(3). 5H_(2)O) in presence of starch. The reactions involved are : I. CaOCl_(2)+H_(2)SO_(4) to CaSO_(4) to CaSO_(4)+H_(2)O +Cl_(2) II. 2KI+Cl_(2) to 2KCl+I_(2) III. 2Na_(2)S_(2)O_(3)+I_(2) to Na_(2)S_(4)O_(6)+2NaI In the reaction (I), which one is reduced ? |
Answer» <html><body><p>`CaOCl_(<a href="https://interviewquestions.tuteehub.com/tag/2-283658" style="font-weight:bold;" target="_blank" title="Click to know more about 2">2</a>)`<br/>`H_(2)SO_(<a href="https://interviewquestions.tuteehub.com/tag/4-311707" style="font-weight:bold;" target="_blank" title="Click to know more about 4">4</a>)`<br/>Both<br/>none of these</p>Solution :N//A</body></html> | |