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JEE Main 202528 JanuaryEvening Shift
Exam
JEE Main
Year
2025
Date
28 January
Shift
Evening Shift
Subject
Chemistry
Chapter
d and f Block Elements

JEE Main 2025 · 28 January · Evening Shift · Chemistry · d and f Block Elements

Identify the inorganic sulphides that are yellow in colour : (A)...

Identify the inorganic sulphides that are yellow in colour : (A) (NH4)2 S\left(\mathrm{NH}_4\right)_2 \mathrm{~S} (B) Pbs\mathrm{Pbs} (C) Cus\mathrm{Cus} (D) As2 S3\mathrm{As}_2 \mathrm{~S}_3 (E) As2 S5\mathrm{As}_2 \mathrm{~S}_5 Choose the correct answer from the options given below :

Options

  1. A(A), (D) and (E) only
  2. B(D) and (E) only
  3. C(A) and (B) only
  4. D(A) and (C) only

Correct answer

A. (A), (D) and (E) only

Step-by-step solution

\mathrm{As}_2 \mathrm{~S}_3andand\mathrm{As}_2 \mathrm{~S}_5areyellowcoloursulphides,(NH4)2 Sare yellow colour sulphides, \left(\mathrm{NH}_4\right)_2 \mathrm{~S} is colourless, PbS is black, CuS is black in colour
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