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Hydrogen — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryHydrogen3 Marks
Question
Complete the following reactions:
  1. $\text{Zn}+\text{NaOH}\xrightarrow{\ \ \ \ \ \ \ }$
  2. $\text{MnO}_4^-+\text{H}_2\text{O}_2\xrightarrow{\ \ \ \ \ \ \ \ \ }$
  3. $\text{Ca(HCO}_3)_2+\text{Ca(OH)}_2\xrightarrow{\ \ \ \ \ \ \ \ \ \ }$
✓

Answer

  1. $\text{Zn}+2\text{NaOH}\xrightarrow{\ \ \ \ \ \ \ \ }\text{Na}_2\text{ZnO}_2+\text{H}_2$
  2. $2\text{MnO}_4^-+6\text{H}^++5\text{H}_2\text{O}_2\xrightarrow{\ \ \ \ \ \ \ }2\text{Mn}^{2+}+5\text{O}_2+8\text{H}_2\text{O}$
  3. $\text{Ca(HCO}_3)_2+\text{Ca(OH})_2\xrightarrow{\ \ \ \ \ \ \ \ }2\text{CaCO}_3+2\text{H}_2\text{O}$

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