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Hydrogen — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryHydrogen3 Marks
Question
Complete the following reactions:
  1. $\text{K}_4[\text{Fe}(\text{CN)}_6]+\text{H}_2\text{O}_2+\text{H}_2\text{SO}_4\xrightarrow{\ \ \ \ \ \ \ }$
  2. $\text{HOCl}+\text{H}_2\text{O}_2\xrightarrow{\ \ \ \ \ \ \ \ }$
  3. $\text{K}_2\text{Cr}_2\text{O}_7+\text{H}_2\text{SO}_4+\text{H}_2\text{O}_2\xrightarrow{\ \ \ \ \ \ }$
✓

Answer

  1. $2\text{K}_4[\text{Fe}(\text{CN})_6]+\text{H}_2\text{SO}_4+\text{H}_2\text{O}_2\\\xrightarrow{\\ \ \ \ \ \ \ \ \\ }2\text{K}_3[\text{Fe(CN)}_6]+\text{K}_2\text{SO}_4+2\text{H}_2\text{O}$
  2. $\text{HOCl}+\text{H}_2\text{O}_2\xrightarrow{\ \ \ \ \ \ \ }\text{HCl}+\text{H}_2\text{O}+\text{O}_2$
  3. $\text{K}_2\text{Cr}_2\text{O}_7+\text{H}_2\text{SO}_4+4\text{H}_2\text{O}_2\\\xrightarrow{\ \ \ \ \ \ \ \ \ }\text{K}_2\text{SO}_4+\text{CrO}_5+5\text{H}_5\text{O}$

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