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Precipitation...

Question

Precipitation of ${C d}^{2 +}$ and ${C u}^{2 +}$ takes place in presence of dil. $H C l$ by $H_{2} S$ .

If the given statement is true enter 1, else enter 0.

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Solution

Precipitation of ${C d}^{2 +}$ and ${C u}^{2 +}$ takes place in presence of dil. $H C l$ by $H_{2} S$ .
${C d}^{2 +} + S^{2 -} \to C d S ↓$
${C u}^{2 +} + S^{2 -} \to C u S ↓$

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