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Reactivity with Halogens and Hydrogen (Group 2)

Mercurous chl...

Question

Mercurous chloride exists in the form of

{H g}^{+}

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{H g}_{2}^{2 +}

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{H g}^{2 +}

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{H g}_{3}^{2 +}

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Solution

The correct option is A ${H g}_{2}^{2 +}$
Mercurous chloride formula is $H g_{2} C l_{2}$ .
$H g_{2} C l_{2} \to {H g_{2}}^{2 +} + 2 C l^{-}$

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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 C l_{2} (l)

{1.24}^{o} C . K_{f}

H g C l_{2}

H g C l_{2}

[H g - 200 g, C l - 35.5 g]

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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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