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STEREOCHEMISTRY MCQs

Total Questions : 21 | Page 1 of 3 pages
Question 1. An asymmetric carbon is the same as a
  1.    achiral carbon
  2.    chiral carbon
  3.    prochiral carbon
  4.    axial carbon
 Discuss Question
Answer: Option B. -> chiral carbon
Question 2. A racemic mixture is optically active
  1.    yes
  2.    no
 Discuss Question
Answer: Option B. -> no
Question 3. CYCLOPROPANE HAS MAXIMUM ___________ STRAIN
  1.    ANGLE
  2.    VAN DER WAALS
  3.    PITZER
  4.    TRANSANNULAR
 Discuss Question
Answer: Option A. -> ANGLE
Question 4. TWIST BOAT IS MORE STABLE THAN BOAT FORM OF CYCLOHEXANE DUE TO ABSENCE OF ____________ STRAIN
  1.    STERIC
  2.    PITZER
  3.    TORCINAL
  4.    TRANS ANNULAR
 Discuss Question
Answer: Option D. -> TRANS ANNULAR
Question 5. NAPHTHALENE CONSIST OF __________ ANULAR POSITIONS
  1.    ONE
  2.    TWO
  3.    THREE
  4.    NONE OF THE ABOVE
 Discuss Question
Answer: Option B. -> TWO
Question 6. Aromaticity is given by
  1.    Kekule's rule
  2.    Huckel's rule
  3.    4n+2 π electrons rule
  4.    Both b and c
 Discuss Question
Answer: Option D. -> Both b and c
Question 7. THE ENERGY DIFFERENCE BETWEEN BOAT AND CHAIE CONFORMATION OF CYCLOHEXANE IS____________ KCAL/MOLE
  1.    11.2
  2.    7.1
  3.    1.7
  4.    5.2
 Discuss Question
Answer: Option B. -> 7.1
Question 8. ANTHRACENE HAS ___________ ANNULAR CARBON ATOMS
  1.    ONE
  2.    TWO
  3.    FOUR
  4.    SIX
 Discuss Question
Answer: Option C. -> FOUR
Question 9. Optical isomers are of how many types
  1.    2
  2.    3
  3.    4
  4.    5
 Discuss Question
Answer: Option A. -> 2
Question 10. Number of Pi bonds in benzene are
  1.    4
  2.    3
  3.    2
  4.    1
 Discuss Question
Answer: Option B. -> 3

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