Question:
The sol formed in the following unbalanced equation is:
\[
As_2O_3 + H_2S \rightarrow
\]
The sol formed in the following unbalanced equation is:
\[ As_2O_3 + H_2S \rightarrow \]
\[ As_2O_3 + H_2S \rightarrow \]
Show Hint
Arsenic sulfide sol \((As_2S_3)\) is a common example of a lyophobic colloid prepared by double decomposition reaction.
Updated On: Jun 24, 2026
- \(As_2S_2\)
- \(As_2S_3\)
- \(As\)
- \(S\)
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The Correct Option is B
Solution and Explanation
Step 1: Identify the reaction type.
Arsenious oxide reacts with hydrogen sulfide to produce arsenic sulfide sol.
Step 2: Write the balanced reaction.
\[ As_2O_3 + 3H_2S \rightarrow As_2S_3 + 3H_2O \]
Step 3: Identify the colloidal sol formed.
The product formed is arsenic trisulfide: \[ As_2S_3 \] This substance is obtained in colloidal form and acts as a sol.
Step 4: Final conclusion.
Hence, the sol formed is: \[ \boxed{As_2S_3} \]
Arsenious oxide reacts with hydrogen sulfide to produce arsenic sulfide sol.
Step 2: Write the balanced reaction.
\[ As_2O_3 + 3H_2S \rightarrow As_2S_3 + 3H_2O \]
Step 3: Identify the colloidal sol formed.
The product formed is arsenic trisulfide: \[ As_2S_3 \] This substance is obtained in colloidal form and acts as a sol.
Step 4: Final conclusion.
Hence, the sol formed is: \[ \boxed{As_2S_3} \]
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