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VSEPR THEORY MCQs

Total Questions : 22 | Page 2 of 3 pages
Question 11. What shape would PH3 have?
  1.    Trigonal Planar
  2.    Trigonal Bipyramidal
  3.    Bent
  4.    Linear
 Discuss Question
Answer: Option A. -> Trigonal Planar
Question 12. What is the bond angle in a bent molecule?
  1.    90
  2.    105
  3.    107
  4.    180
 Discuss Question
Answer: Option B. -> 105
Question 13. Which of the following shapes has an unshared pairs of electrons on the central atom?
  1.    Bipyramidal
  2.    Bent
  3.    Trigonal Planar
  4.    Tetrahedral
 Discuss Question
Answer: Option B. -> Bent
Question 14. Valence-Shell electrons pair repulsion theory is used to predict
  1.    physical properties of compound
  2.    type of chemical bonding
  3.    molecular shape
  4.    solubility
 Discuss Question
Answer: Option C. -> molecular shape
Question 15. How many lone pairs of electrons are on the P atom in PF3?
  1.    1
  2.    2
  3.    3
  4.    0
 Discuss Question
Answer: Option A. -> 1
Question 16. A molecule with a lone pair on the central atom would have the same electron and molecular geometry
  1.    True
  2.    False
 Discuss Question
Answer: Option B. -> False
Question 17. What shape would PH3 have?
  1.    Trigonal Planar
  2.    Trigonal pyramidal
  3.    Bent
  4.    Linear
 Discuss Question
Answer: Option B. -> Trigonal pyramidal
Question 18. Ammonia, NH3, adopts a tetrahedral geometry
  1.    The actual bond angle is reduced: it is less than 109.5°
  2.    The actual bond angle is increased: it is more than 109.5°
 Discuss Question
Answer: Option A. -> The actual bond angle is reduced: it is less than 109.5°
Question 19. Which of the following shapes has unshared pairs of electrons on the central atom?
  1.    Bipyramidal
  2.    Bent
  3.    Trigonal Planar
  4.    Tetrahedral
 Discuss Question
Answer: Option B. -> Bent
Question 20. What is the molecular geometry of carbon tetrachloride CCl4 ?
  1.    Linear
  2.    Trigonal planar
  3.    tetrahedral
  4.    trigonal pyramidal
 Discuss Question
Answer: Option C. -> tetrahedral

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