Correct answer: A.   3 2 6 Cr H O      - Violet;   2 2 4 Cr H O Cl      - Green; 2 4 CrO  - Yellow;   4 6 Fe CN      - Yellow;

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Question

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Answer: A

💡 Solution & Explanation

  3 2 6 Cr H O      - Violet;   2 2 4 Cr H O Cl      - Green; 2 4 CrO  - Yellow;   4 6 Fe CN      - Yellow;

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