11th Class Chemistry Redox Reactions

  • question_answer 2) Justify that the reaction : \[2Na(s)+{{H}_{2}}(g)\to 2NaH(s)\]is a redox change.

    Answer:

    \[2Na(s)+{{H}_{2}}(g)\to 2Na{{\,}^{+}}{{\text{H}}^{\text{-}}}\] It is a redox change in which sodium is oxidised while hydrogen is reduced because an electron is transferred from sodium to hydrogen.


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