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Stereoisomerism

Which is well...

Question

Which is well known compound with $H g_{2}^{2 +}$ configuration?

H g_{2} S

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H g_{2} O

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H g_{2} C l_{2}

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All of the above

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Solution

The correct option is B $H g_{2} C l_{2}$
$H g_{2} C l_{2}$ (Calomel electrode) is the well known compound with $H g_{2}^{2 +}$ configuration.

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Similar questions

H g_{2}^{2 +} + 2 e^{-} \to 2 H g ⟹ E^{0} = 0.789 V

H g^{2 +} + 2 e^{-} \to H g ⟹ E^{0} = 0.854 V

H g_{2}^{2 +} \to H g + H g^{2 +}

H g_{2} C l_{2} + C l_{2} \to 2 H g^{+} + 4 C l^{-}

H g_{2} C l_{2} + 2 e^{-} \to 2 H g + 2 C l^{-}; E^{\circ} = 0.270 v o l t

H g_{2}^{2 +} \to 2 H g^{2 +} + 2 e^{-}; E^{\circ} = - 0.92 v o l t

2 H g \to H g_{2}^{2 +} + 2 e^{-}; E^{\circ} = - 0.79 v o l t

C l_{2} + 2 e^{-} \to 2 C l^{-}; E^{\circ} = 1.36 v o l t

H g_{2}^{2 +}, H g^{2 +}, P b^{2 +}, F e^{2 +}

H g^{2 +}

H g_{2}^{2 +}

P b^{2 +}

C d^{2 +}

d i l u t e H C l

K_{c}

H g^{2 +} + H g ⇌ H g_{2}^{2 +}

E_{2 H g / H g^{2 +}}^{o} = - 0.788 V

E_{H g_{2}^{2 +} / 2 H g^{2 +}}^{o} = - 0.920 V

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