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JEE Main202528 Jan 2025Evening ShiftChemistryd and f Block ElementsActual

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 :

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

As ₂ ~S ₃ and As ₂ ~S ₅ are yellow colour sulphides, ( NH ₄ )₂ ~S is colourless, PbS is black, CuS is black in colour

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