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The CFSE for [CoCl(6)]^(4-) is 18000cm^(...

The CFSE for `[CoCl_(6)]^(4-)` is `18000cm^(-1)`. The `Delta` for `[CoCl_(4)]^(2-)` will be `Xx10^(3)cm^(-1)`. What is the value of X

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The correct Answer is:
8
`Delta_(t)=Delta_(0)xx(4)/(9)=18xx10^(3)xx(4)/(9)=8xx10^(3)cm^(-1)`
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Knowledge Check

  • The following equilibrium constants were determined at 1120k: 2CO_((g)) harr C_((s))+CO_(2(g)), Kp_(1) = 10^(-14) atm^(-1), CO_((g)) + Cl_(2(g)) harr COCl_(2(g)), Kp_(2) = 6 xx 10^(-3) atm^(-1) What is the equilibrium constant Kc for the following reaction at 1120K : C_((s)) + CO_(2(g)) + 2Cl_(2(g)) harr 2CO_(2)Cl_((g))

    A
    `3.31 xx 10^(11) M^(-1)`
    B
    `5.5 xx 10^(10) M^(-1)`
    C
    `5.51 xx 10^(6) M^(-1)`
    D
    `3.31 xx 10^(11) M`

  • The following equilibrium constants were determined at 1120k : 2CO_((g)) hArr C_((s)) + CO_(2(g)) , Kp_(I) = 10^(-14) atm^(-1) , CO_((g)0 + Cl_(2(g)) hArr COCl_(2(g)) , Kp_(2) = 6 xx 10^(-3) atm^(-1) What is the equilibrium constant Kc for the following reaction at 1120K: C_((s)) + CO_(2(g)) + 2Cl_(2(g)) hArr 2CO_(2) Cl_((g))

    A
    `3.31 xx 10^(11) M^(-1)`
    B
    `5.5 xx 10^(10) m^(-1)`
    C
    `5.51 xx 10^(6) M^(-1)`
    D
    `3.31 xx 10^(11)` M

  • At 25^@ C, the ionic mobility of CH_3COO^(-), H^+ are respectively 4.1 xx 10^(-4), 3.63 xx 10^(-3) cm/sec. The conductivity of 0.001M CH_3COOH is 5xx10^(-5)S.cm^(-1) . Dissociation constant of CH_3 COOH is

    A
    `1.64 xx 10^(-5)`
    B
    `3 xx 10^(-4)`
    C
    `3 xx 10^(-5)`
    D
    ` 3 xx 10^(-6)`

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