Multiple choice

Which of the following statements is/are true? A. The dihedral angle between the H-atom is staggered conformation of ethane is 60˚. B. C2H5O2N shows functional isomerism as well as tautomerism. C. Cyclopropane is better fuel than propane.

  1. Only A

  2. Only B

  3. A and C

  4. A, B and C

  5. None of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This option is correct,  because dihedral angle between the H-atom is staggered conformation of ethane is 60˚, nitroethane shows tautomerism due to presence of α-hydrogens and functional isomerism with ethylnitrite and because of angle stain, the heat of combustion of cyclopropane is higher than that of propane.

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