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JEE Main 2023 · 24 Jan · Shift 2

JEE Main 2023 Chemistry question on Practical Chemistry

K2Cr2O7\text{K}_2\text{Cr}_2\text{O}_7 paper acidified with dilute H2SO4\text{H}_2\text{SO}_4 turns green when exposed to
  1. A.
    Sulphur dioxide
  2. B.
    Carbon dioxide
  3. C.
    Sulphur trioxide
  4. D.
    Hydrogen sulphide
Show answer

Correct option: A

[JEE Main 2023 · 24 Jan · Shift 2]

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