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Which of the following are examples of d...

Which of the following are examples of disproportionation reactions?
a. `Ag(NH_(3))_(2)^(o+)+2H^(o+)rarrAg^(o+)+2overset(o+)NH_(4)`
b. `Cl_(2)+2overset(ө)OHrarrClO^(ө)+Cl^(ө)+H_(2)O`
c. `CaCO_(3)rarrCaO+CO_(2)`
d. `2HgOrarr2Hg+O_(2)`
e. `Cu_(2)O+2H^(o+)rarrCu+Cu^(2+)+H_(2)O`
f. `CuS+O_(2)rarrCu+SO_(2)`
g. `2HCuCl_(2)+"dilute with" H_(2)OrarrCu+Cu^(2+)+4Cl^(ө)+2H^(o+)`
h. `2H_(2)O_(2)rarr2H_(2)O+O_(2)`

Text Solution

Verified by Experts

`(overset(+1)Agoverset(-3)NH_(3))_(2)^(+)+2H^(+)rarroverset(+1)Ag+(23overset(-3)NH_(4))^(+)`
Since there is no change in O.N of the lements ivolved in the reaction there is neither oxidation nor reduction therefore , this is not a disportionation reaction
`overset(0)CI_(2)+2OH^(-)rarr overset(-1)CI^(-)+overset(+1)(CIO)^(-)+H_(2)O`
In this reaction , `CI_(2)` is reduced to `CI^(-)` ion and is also oxidised to `CIO^(-)` ion.This is na example of disproportionation reaction.
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Which of the following are examples of disproportionation reactions? a. Ag(NH_(3))_(2)^(o+)+2H^(o+)rarrAg^(o+)+2overset(o+)NH_(4) b. Cl_(2)+2overset(ө)OHrarrClO^(ө)+Cl^(ө)+H_(2)O c. CaCO_(3)rarrCaO+CO_(2) c. CaCO_(3)rarrCaO+CO_(2) d. 2HgOrarr2Hg+O_(2) e. Cu_(2)+2H^(o+)rarrCu+Cu^(2+)+H_(2)O f. CuS+O_(2)rarrCu+SO_(2) g. 2HCuCl_(2)+"dilute with" H_(2)OrarrCu+Cu^(2+)+4Cl^(ө)+2H^(o+) h. 2H_(2)O_(2)rarr2H_(2)O+O_(2)

Calculate n factor of H CuCl_(2) in the given reaction, 2HCuCl_(2) overset("dil. With")underset(H_(2)O)rarr Cu+Cu^(+2)+4Cl^(-)+2H^(+) .

Knowledge Check

  • which of the following represent redox reactions? I. Cr_(2)O_(7)^(2-)+2overset(ө)OHrarr2CrO_(4)^(2-)+H_(2)O II. Zn+CuSO_(4)rarrZnSO_(4)+Cu III. MnO_(4)^(ө)+3Mn^(2+)+4overset(ө)OHrarr5MnO_(2)+2H_(2)O IV. 2Cu^(o+)rarrCu+Cu^(2+)

    A
    `I,II`
    B
    `I,III`
    C
    `III,IV`
    D
    `II,III,IV`

  • H_(2)O_(2)+O_(3) rarr H_(2)O+2O_(2) in this H_(2)O_(2) acts as

    A
    Oxidizing agent
    B
    Reducing agent
    C
    Dehydrating agent
    D
    Bleaching agent

  • Which of the following statement is not true for the reaction given below: [Cu(H_(2)O)_(4)]^(2+)+ 4NH_(4) hArr [Cu(NH_(3))_(4)]^(2+)+4H_(2)O

    A
    It is ligand substitution reaction
    B
    `NH_(3)` is a relatively strong field ligand while `H_(2)O` is a weak field ligand
    C
    During the reaction, there is a change in colour from light blue to dark blue
    D
    `[Cu(NH_(3))_(4)]^(2+)`, has a tetrahedral structure and is paramagnetic

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    Which of the following reactions is an example of second order reaction (A) 2H_(2)O_(2)rarr2H_(2)O+O_(2) (B) SO_(2)Cl_(2)rarr SO_(2)+Cl_(2) (C) 2N_(2)O_(5)rarr2N_(2)O_(4)+O_(2) (D) 2N_(2)O rarr2N_(2)+O_(2)

    Balance the following chemical reactions (by ion electron method) (a) C_(2)H_(5)OH+MnO_(4)^(Ө) rarr CH_(3)COO^(Ө) +MnO_(2)+H_(2)O+overset(Ө) (OH) (b) [Fe(CN)_(6)]^(3-_ + N_(2)H_(4) + overset(Ө) (OH)rarr [Fe(CN_(6))]^(4-) + N_(2)+H_(2)O (c ) CN^(Ө) + MnO_(4)^(Ө) +H_(2)O rarr MnO_(2)+CNO^(Ө) + overset(Ө) (OH) (d) CuO+NH_(3) rarr Cu+N_(2)+H_(2)O (e) HI+HNO_(3) rarr I_(2) + NO+H_(2)O (f) H_(2)S+SO_(2)rarrS+H_(2)O

    Which of the following statement is not true for the reaction given below: [Cu(H_(2)O)_(4)]^(2+)+ 4NH_(4) hArr [Cu(NH_(3))_(4)]^(2+)+4H_(2)O

    The reaction 2H_(2)O_(2) rarr 2H_(2)O+O_(2) is r=k[H_(2)O_(2)]

    Which of the following reactions are disproportionation reactions? (A)" " Cu^(+)rarrCu^(2+)+Cu (B)" "3 MnO_(4)+4H^(+)rarr2MnO_(4)^(-)+MnO_(2)+2H_(2)O (C )" "2KMnO_(4)rarrK_(2)MnO_(4)+MnO_(2)+O_(2) (D)" "2MnO_(4)^(-)+3Mn^(2+)+2H_(2)O rarr5MnO_(2)+4H^(+)

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