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JEE MAIN 2025
28-01-2025 SHIFT-2
Question
Identify the inorganic sulphides that are yellow in colour :
(A) $\left(\mathrm{NH}_{4}\right)_{2} \mathrm{~S}$
(B) PbS
(C) CuS
(D) $\mathrm{As}_{2} \mathrm{~S}_{3}$
(E) $\mathrm{As}_{2} \mathrm{~S}_{5}$
Choose the correct answer from the options given below :
Select the correct option:
A
(A) and (C) only
B
(A), (D) and (E) only
C
(A) and (B) only
D
(D) and (E) only
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
$\quad \mathrm{As}_{2} \mathrm{~S}_{3}$ 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
Question Tags
JEE Main
Chemistry
Medium
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