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P BLOCK ELEMENTS MCQs

Total Questions : 50 | Page 3 of 5 pages
Question 21. The shape of XeOF2 is
  1.    linear
  2.    T shaped
  3.    Pyramidal
  4.    none
 Discuss Question
Answer: Option B. -> T shaped
Question 22. White phosphorous has characteristic
  1.    Onion like smell
  2.    Garlic like smell
  3.    Egg like smell
  4.    Fish like smell
 Discuss Question
Answer: Option B. -> Garlic like smell
Question 23. The hybridisation in XeOF4 is
  1.    sp2
  2.    sp3
  3.    sp3d
  4.    sp3d2
 Discuss Question
Answer: Option D. -> sp3d2
Question 24. Thermal stability of hydrides of group 15 element is as per order
  1.    NH3>PH3>AsH3>SbH3>BiH3
  2.    NH3
  3.    AsH3>SbH3>BiH3>NH3>PH3
  4.    NH3>PH3>AsH3>SbH3>BiH3NH3PH3>AsH3>SbH3>BiH3>NH3
 Discuss Question
Answer: Option A. -> NH3>PH3>AsH3>SbH3>BiH3
Question 25. Pure H2SO4 is viscous due to presence of
  1.    inter molecular H-bondind
  2.    intra molecular H-bondind
  3.    vanderWaal's force
  4.    none
 Discuss Question
Answer: Option A. -> inter molecular H-bondind
Question 26. Chlorous acid
  1.    HClO3
  2.    HClO2
  3.    HClO
  4.    HCl
 Discuss Question
Answer: Option B. -> HClO2
Question 27. SO2 can be dried by
  1.    H2SO4
  2.    CaO
  3.    H3PO4
  4.    NONE OF THESE
 Discuss Question
Answer: Option A. -> H2SO4
Question 28. As we move down the group reducing character of group 15 elements
  1.    Increases
  2.    Decreases
  3.    Remain constant
  4.    None of the above
 Discuss Question
Answer: Option A. -> Increases
Question 29. Which of the following is not amphoteric
  1.    CO2
  2.    GeO2
  3.    SnO2
  4.    PbO2
 Discuss Question
Answer: Option A. -> CO2
Question 30. As we move down the group thermal stability of group 15 elements hydrides
  1.    Increases
  2.    Decreases
  3.    Remain constant
  4.    None of the above
 Discuss Question
Answer: Option B. -> Decreases

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