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AP EAMCET202124 Aug 2021Evening ShiftChemistryAldehydes and KetonesActual

Which compounds among the following give positive iodoform test?

Options

  1. A(i), (iii) and (vi)
  2. B(iii), (iv) and (v)
  3. C(i), (ii) and (v)
  4. D(ii), (iv) and (vi)

Correct answer

C. (i), (ii) and (v)

Step-by-step solution

A positive iodoform test is given by compounds having CH ₃ CO group in their structure. When iodine and sodium hydroxide are added to a compound that contains CH ₃ CO group in -position, a pale yellow precipitate of iodoform is formed. So, compounds (i), (ii) and (v) have CH ₃ CO group. Hence, they will give positive iodoform test.

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