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  3. RAJASTHAN ­ PET

RAJASTHAN ­ PET Rajasthan PET Solved Paper-2001

  • question_answer
    Anhydrous formic acid cannot be obtained from fractional distillation of aqueous HCOOH because

    A)  it forms complex with water

    B)  its boiling point is 373.4 K

    C)  it is soluble in water

    D)  None of the above

    Correct Answer: B

    Solution :

     Formic acid forms azeotropic mixture with water hence it is not separated by fractional distillation. Boiling point of HCOOH is approximately equal to boiling point of\[{{H}_{2}}O\].


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