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JEE Advanced

2025 Paper 2 (English)

JEE Advanced Previous Year Question Papers — 2025 Paper 2 (English). Official question papers; reviewed questions and answers where available, with source attribution backed by validated provenance.

Paper details

Year
2025
Paper
Paper 2
Language
English

Validated source link: JEE Advanced archive (retrieved 2026-08-23).

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Question 1

During sodium nitroprusside test of sulphide ion in an aqueous solution, one of the ligands coordinated to the metal ion is converted to

  1. NOS-
  2. SCN-
  3. SNO-
  4. NCS-
Official answer and source attribution

Answer: NOS-

Official answer: option A. Source: JEE (Advanced) 2025 Paper 2, Q.1 (jeeadv.ac.in archive).

Question 2

The complete hydrolysis of ICl, ClF3 and BrF5, respectively, gives

  1. IO-, ClO2- and BrO3-
  2. IO3-, ClO2- and BrO3-
  3. IO-, ClO- and BrO2-
  4. IO3-, ClO4- and BrO2-
Official answer and source attribution

Answer: IO-, ClO2- and BrO3-

Official answer: option A. Source: JEE (Advanced) 2025 Paper 2, Q.2 (jeeadv.ac.in archive).

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