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Most Important Selected Qs for JEE AdvancedChemistryp Block Elements (Group 15, 16, 17 & 18)

When ( NH ₄ )₂ Cr ₂ O ₇ is heated:

Options

  1. Athere is oxidation of N
  2. Bthere is reduction of Cr
  3. Cnet reaction is disproportionations
  4. Dnet reaction is neutralisation

Correct answer

B. there is reduction of Cr

Step-by-step solution

( NH ₄ )₂ Cr ₂ O ₇ ~N ₂+ Cr ₂ O ₃+ H ₂ O

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