Question:
Identify the inorganic sulphides that are yellow in colour:
(A) \( ({NH}_4)_2{S} \)
(B) \( {PbS} \)
(C) \( {CuS} \)
(D) \( {As}_2{S}_3 \)
(E) \( {As}_2{S}_5 \)
Choose the correct answer from the options given below:
Identify the inorganic sulphides that are yellow in colour:
(A) \( ({NH}_4)_2{S} \)
(B) \( {PbS} \)
(C) \( {CuS} \)
(D) \( {As}_2{S}_3 \)
(E) \( {As}_2{S}_5 \)
Choose the correct answer from the options given below:
(B) \( {PbS} \)
(C) \( {CuS} \)
(D) \( {As}_2{S}_3 \)
(E) \( {As}_2{S}_5 \)
Choose the correct answer from the options given below:
Show Hint
Arsenic sulphides (\({As}_2{S}_3\) and \({As}_2{S}_5\)) are widely used in pigments due to their yellow coloration.
Updated On: Jan 14, 2026
- (A) and (B) only
- (A) and (C) only
- (A), (D) and (E) only
- (D) and (E) only
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The Correct Option is D
Solution and Explanation
To identify the inorganic sulfides that are yellow in color, let's examine the given compounds:
- \((NH_4)_2S\): Ammonium sulfide is not yellow; it appears as a colorless to pale yellow solution.
- \(PbS\): Lead(II) sulfide is black.
- \(CuS\): Copper(II) sulfide is black.
- \(As_2S_3\): Arsenic trisulfide is known for its yellow color.
- \(As_2S_5\): Arsenic pentasulfide is also yellow.
From this information, the correct yellow sulfides are \(As_2S_3\) and \(As_2S_5\). Therefore, the appropriate answer is:
(D) and (E) only
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