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AP EAMCET2005ChemistryCoordination Compounds

Which of the following is not correct?

Options

  1. AChlorophyll is responsible for the synthesis of carbohydrates in plants
  2. BThe compound formed in the addition of oxygen to haemoglobin is called oxyhaemoglobin
  3. CAcetyl salicylic acid is known as aspirin
  4. DThe metal ion present in vitamin B ₁₂ is Mg ²⁺

Correct answer

D. The metal ion present in vitamin B ₁₂ is Mg ²⁺

Step-by-step solution

Vitamin B₁₂ or cyanocobalamine contains cobalt and not magnesium.

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