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ICSE Class 10 Chemistry 2018 Paper

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Question : 45 of 80
Marks: +1, -0
Copy and complete the following table which refers to the conversion of ions to neutral particles.
 Conversion  Ionic Equation  Oxidation/Reduction
 Chloride ion to chlorine molecule  (i) .............  (ii) .............
 Lead (II) ion to lead  (iii) .............  (iv) .............
Solution:  
 Conversion  Ionic Equation  Oxidation/ Reduction
 Chloride ion to chlorine molecule  (i) 2Cl−−2e−→Cl22 \mathrm{Cl}^{-} - 2 e^{-} \rightarrow \mathrm{Cl}_2  (ii) Oxidation
 Lead (II) ion to lead  (iii) Pb2++2e−→Pb\mathrm{Pb}^{2+} + 2 e^{-} \rightarrow \mathrm{Pb}  (iv) Reduction
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