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On heating a mixture of N a C l , K 2 C r 2 O 7 and conc. H 2 S O 4 which of the following is formed ?

Options

  1. AC r O 2 C l
  2. BC r O 2 C l 2
  3. CC r O C l 2
  4. DN a C l O 2

Correct answer

B. C r O 2 C l 2

Step-by-step solution

4 NaCl + 3 H 2 SO 4 + K 2 Cr 2 O 7 → CrO 2 Cl 2 Chromyl Chloride (deep red colour vapour)

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