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{:("COLUMN-I","COLUMN-II"),((A)Na(2)S(2)...

`{:("COLUMN-I","COLUMN-II"),((A)Na_(2)S_(2)O_(3),(p)NaCl),((B)Na_(2)S_(2)O_(3)+AgNO_(3),(q)Na_(3)[Ag(S_(2)O_(3))_(2)]),((C )Na_(2)S_(2)O_(3)+Cl_(2)+H_(2)O,(r )Na_(2)SO_(4)),((D)Na_(2)S_(2)O_(3)+I_(2),(s) Na_(2)S_(4)O_(6)):}`

Text Solution

Verified by Experts

The correct Answer is:
A-p; B-q, C-r; D-s
A) `Na_(2)S_(2)O_(3)+2HCl to 2NaCl+SO_(2)+S+H_(2)O`
B) `2AgNO_(3)+Na_(2)S_(2)O_(3) to Ag_(2)S_(2)O_(3) +2NaNO_(3), Ag_(2)S_(2)O_(3)+H_(2)O to Ag_(2)S+H_(2)SO_(4)`
C) `Na_(2)S_(2)O_(3)+Cl_(2)+H_(2)O to Na_(2)SO_(4)+2HCl+S`
D) `2Na_(2)S_(2)O_(3)+I_(2) to Na_(2)S_(4)O_(6)+2NaI`
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{:("COLUMN-I","COLUMN-II"),("(Oxy-acid of S)","(Oxidation state of 'S'')"),((A)H_(2)SO_(3),(p)+2),((B)H_(2)S_(2)O_(6),(q)+3),((C )H_(2)S_(2)O_(3),(r )+4),((D)H_(2)S_(2)O_(4),(s) +5):}

{:("COLUMN-I","COLUMN-II"),((A)H_(2)S_(2)O_(5),(p)"Dibasic"),((B)H_(2)S_(2)O_(4),(q)S-O-S " bond"),((C )H_(2)S_(4)O_(6),(r )S-S" bond with same oxidation state of sulphur"),((D)H_(2)S_(2)O_(7),(s) S-S " bond with different oxidation state of sulphur"),(,(t)"Atleast one 'S' in +6 oxidation state"):}

Knowledge Check

  • The following ionisation constants are determind in 3 seperate experiments. (I) [Ag(S_(2)O_(3))_(3)]^(5)hArr[Ag(S_(2)O_(3))_(2)]^(3-)+S_(2)O_(3)^(-2) K_(1)=2.0xx10^(-5)moldm^(-3) (II) [Ag(S_(2)O_(3))_(2)]^(3-)hArr[Ag(S_(2)O_(3))_(2)]^(-)+S_(2)O_(3)^(-2) K_(2)=3.3xx10^(-5)moldm^(-3) (III) [Ag(S_(2)O_(3))]^(-)hArrAg^(+)+S_(2)O_(3)^(2-) K_(3)=1.5xx10^(-9)moldm^(-3) The complex formation constant for the reaction Ag+2S_(2)O_(3)^(-2)hArr[Ag(S_(2)O_(3))_(2)]^(3-)

    A
    `3.3xx10^(-5)`
    B
    `1.5xx10^(-9)`
    C
    `4.95xx10^(-14)`
    D
    `2xx10^(13)`

  • The following ionisation constants are determind in 3 seperate experiments. (I) [Ag(S_(2)O_(3))_(3)]^(5)hArr[Ag(S_(2)O_(3))_(2)]^(3-)+S_(2)O_(3)^(-2) K_(1)=2.0xx10^(-5)moldm^(-3) (II) [Ag(S_(2)O_(3))_(2)]^(3-)hArr[Ag(S_(2)O_(3))_(2)]^(-)+S_(2)O_(3)^(-2) K_(2)=3.3xx10^(-5)moldm^(-3) (III) [Ag(S_(2)O_(3))]^(-)hArrAg^(+)+S_(2)O_(3)^(2-) K_(3)=1.5xx10^(-9)moldm^(-3) In which of the equilibrium system, the concentration of S_(2)O_(3)^(-2) is maximum.

    A
    I
    B
    II
    C
    III
    D
    same conc in all

  • The following ionisation constants are determind in 3 seperate experiments. (I) [Ag(S_(2)O_(3))_(3)]^(5)hArr[Ag(S_(2)O_(3))_(2)]^(3-)+S_(2)O_(3)^(-2) K_(1)=2.0xx10^(-5)moldm^(-3) (II) [Ag(S_(2)O_(3))_(2)]^(3-)hArr[Ag(S_(2)O_(3))_(2)]^(-)+S_(2)O_(3)^(-2) K_(2)=3.3xx10^(-5)moldm^(-3) (III) [Ag(S_(2)O_(3))]^(-)hArrAg^(+)+S_(2)O_(3)^(2-) K_(3)=1.5xx10^(-9)moldm^(-3) Which of the following is the most stable

    A
    `[Ag(S_(2)O_(3))]^(5-)`
    B
    `[Ag(S_(2)O_(3))_(2)]^(3-)`
    C
    `[Ag(S_(2)O_(3))]^(-)`
    D
    `S_(2)O_(3)^(-2)`

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