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Identify the species undergoing oxidatio...

Identify the species undergoing oxidation and reduction.
a. `H_(2)S(g)+Cl_(2)(g)rarr2HCl(g)+S(s)`
b. `3Fe_(3)O_(4)(s)+8Al(s)rarr9Fe(s)+4Al_(2)O_(3)(s)`
c. `2Na(s)+H_(2)(g)rarr2NaH(s)`

Text Solution

Verified by Experts

(i) here `H_(2)S` is oxidised to S because hydorgen has been removed form it whil `CI_(2)` has been reduced to (ii) here aluminium is oxidised to aluminium oxid because oxygen has been added to it while ferrous ferric oxide (or magnetic oxide) has been reduced to iron because oxygen has been removed from it (ii) as shown in sodium is oxidised to sodium io while hydrogen is reduced to hydride ion
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Identify the species undergoing oxidation and reduction. a. H_(2)S(g)+Cl_(2)(g)rarr2HCl(g)+S(s) b. 3Fe_(3)O_(4)(s)+8Al(s)rarr9Fe(s)+4Al_(2)O_(3)(s) c. 2Na(s)+H_(2)(g)+H_(2)(g)rarr2NaH(s)

In the reactions given below identify the species undergoing oxidation and recuction (i) H_(2)S(g)+CI_(2)(g)rarr2HCI(g)+S(s)(ii)3Fe_(3)O_(4)(s)+8AI(s)rarr9Fe(s)+4AI_(2)O_(3)(s)(iii)Na(s)+H_(2)(g)rarr2NaH(s)

Knowledge Check

  • In the reaction given below identify the species undergoing oxidation and reduction H_2S+Cl_2rarr2HCl+S(s)

    A
    `H_2S` is oxidised and `Cl_2` is reduced
    B
    `H_2S` is reduced and `Cl_2` is oxidised
    C
    both `H_2S` and `Cl_2` are oxidised
    D
    both `H_2S` and `Cl_2` are reduced

  • In the reaction given belowe identify the species undergoing redox reaction 2Na(s)+H_2(g)rarr2NaH(s)

    A
    Na is reduced and hydrogen is oxidised
    B
    Na is oxidised and hydrogen is reduced
    C
    Na undergoes oxidation and hydrogen undergoes reduction
    D
    both(2)and (3)

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