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JEE Main202523 Jan 2025Evening ShiftChemistryd and f Block ElementsActual

Consider the following reactions K ₂ Cr ₂ O ₇ [- H ₂ O ] KOH [ A ] [- H ₂ O ] H ₂ SO ₄ [ ~B ]+ K ₂ SO ₄ The products [A] and [B] , respectively are :

Options

  1. AK ₂ CrO ₄ and CrO
  2. BK ₂ CrO ₄ and Cr ₂ O ₃
  3. CK ₂ CrO ₄ and K ₂ Cr ₂ O ₇
  4. DK ₂ Cr ( OH )₆ and Cr ₂ O ₃

Correct answer

C. K ₂ CrO ₄ and K ₂ Cr ₂ O ₇

Step-by-step solution

K ₂ Cr ₂ O ₇ [- H ₂ O ] KOH K ₂ CrO ₄ [- H ₂ O ] H ₂ SO ₄ ~K ₂ Cr ₂ O ₇+ K ₂ SO ₄ [A] K ₂ CrO ₄ [B] K ₂ Cr ₂ O ₇

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