Dilute hydrochloric acid produced hydrogen sulphide gas with:

iron (III) sulphide

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iron (II) sulphide

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iron pyrite

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None of these

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Solution

The correct option is B iron (II) sulphide
Addition of iron [II] sulphide to dilute hydrochloric acid results in the liberation of hydrogen sulphide gas with ferrous chloride.

$F e S + 2 H C l \to H_{2} S + F e C l_{2}$

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Dilute hydrochloric acid produced hydrogen sulphide gas with:

The correct option is B iron (II) sulphideAddition of iron [II] sulphide to dilute hydrochloric acid results in the liberation of hydrogen sulphide gas with ferrous chloride.FeS+2HCl→H2S+FeCl2

The correct option is B iron (II) sulphide
Addition of iron [II] sulphide to dilute hydrochloric acid results in the liberation of hydrogen sulphide gas with ferrous chloride.

$F e S + 2 H C l \to H_{2} S + F e C l_{2}$