Identify the inorganic sulphides that are yellow in colour : (A) $\left(\mathrm{NH}_4\right)_2 \mathrm{~S}$…

Identify the inorganic sulphides that are yellow in colour :
(A) $\left(\mathrm{NH}_4\right)_2 \mathrm{~S}$
(B) $\mathrm{Pbs}$
(C) $\mathrm{Cus}$
(D) $\mathrm{As}_2 \mathrm{~S}_3$
(E) $\mathrm{As}_2 \mathrm{~S}_5$
Choose the correct answer from the options given below :
  1. (A), (D) and (E) only
  2. (D) and (E) only
  3. (A) and (B) only
  4. (A) and (C) only

Solution

$\mathrm{As}_2 \mathrm{~S}_3$ and $\mathrm{As}_2 \mathrm{~S}_5$ are yellow colour sulphides, $\left(\mathrm{NH}_4\right)_2 \mathrm{~S}$ is colourless, PbS is black, CuS is black in colour

Asked in: JEE Main 2025 (28 Jan Shift 2)

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