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Which of the following statement(s) is/are correct when a solid mixture of NaCl and K2Cr2O7 is gentl — Qualitative and Quantitative Analysis Chemistry Question

Question

Which of the following statement(s) is/are correct when a solid mixture of NaCl and K2Cr2O7 is gently warmed with conc. H2SO4 ?

Answer: A,B,D

💡 Solution & Explanation

NaCl + K2Cr2O7 + conc. H2SO4 produces deep red vapours of chromyl chloride (CrO2Cl2). When passed into NaOH, it forms a yellow solution of Na2CrO4.

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