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NTA Abhyas JEE Main2020Chemistryd and f Block ElementsPractice

Number of metal oxygen bonds in the orange-red coloured compound formed when N a C l reacts with K 2 C r 2 O 7 and H 2 S O 4 .

Options

  1. A2
  2. B4
  3. C6
  4. D0

Correct answer

B. 4

Step-by-step solution

K 2 Cr 2 O 7   +   4   NaCl   +   6   H 2 SO 4 → 2   KHSO 4 +   2   CrO 2 Cl 2 Chromyl   Chloride   +   4   NaHSO 4 Orange-red coloured chromyl chloride.

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