The p-Block Elements MCQs Mock Test of Class 12th Chemistry

Welcome to your The p-Block Elements MCQs Mock Test of Class 12th Chemistry

1. 
Question 1. The hybridisation of sulphur in sulphur hexafluoride is
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Question 2. On heating KCIO, we get
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Question 3. Which of the following is not correctly matched?
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Question 4. 18 H2S is more acidic than H2O because
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Question 5. Among the 15th group elements, as we move from nitrogen to bismuth, the pentavalency becomes less pronounced and trivalency becomes more pronounced due to
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Question 6. Which of the following statements is not correct for nitrogen?
7. 
Question 7. Collectively the elements of group 15 are called –
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Question 8. Ionic radii (in Å) of As3+, Sb3+ and Bi3+ follow the order
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Question 9. Which one of the following elements is most metallic ?
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Question 10. Which of the follow group 15 element forms metallic bonds in elemental state ?
11. 
Question 11. The three important oxidation states of phosphorus are
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Question 12. Which of the following statement is incorrect for group 15 elements ?
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Question 13. Nitrogen is relatively inactive element because
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Question 14. Which of the following has the highest pπ – pπ bonding tendency ?
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Question 15. Pick out the wrong statement.
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Question 16. Nitrogen forms N2, but phosphorus is converted into P4 from P, the reason is
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Question 17. What causes nitrogen to be chemically inert ?
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Question 18. Pentavalence in phosphorus is more stable when compared to that of nitrogen even though they belong to same group. This is due to
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Question 19. Which one has the lowest boiling point ?
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Question 20. Boron shows diagonal relation with
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Question 21. Catenation property is maximum in
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Question 22. Which one of the following is an electrophilic reagent?
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Question23. Element found from sea water is
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Question 24. The shape of XeF4 is
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Question 25. Which one of the following is the strongest lewis acid?
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Question 26. Which one of the following does not form hydrogen bonding?
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Question 27. Main source of helium is
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Question 28. Which one of the following dement is liquid at normal temperature?
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Question 29. Which one of the following is least basic?
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Question 30. H2SO4 is a/an
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Question 31. Modern periodic table is given by
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Question 32. Which one of the following elements is found in free state in nature?
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Question 33. Which of the following is the strongest oxidising agent?
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Question 34. Which of the following has maximum ionisation potential?
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Question 35. The number of P-O-P bonds in cyclic metaphosphoric acid is
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Question 36 Which of the following oxides is an hydride of nitrous acid ?
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Question 37. Which oxide of nitrogen is obtained on heating ammonium nitrate at 250°C ?
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Question 38. Atomicity of phosphorus is
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Question 39. The structure of white phosphorus is
40. 
Question 40. PCl3 on hydrolysis gives
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Question41. Arrange the following in decreasing Lewis acid strength -PF3, PCI3, PBr3, Pl3
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Question 42. How many P-O-P bonds appear in cyclic meta-phosphoric acid?
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Question 43. Which of the following is a tetrabasic acid?
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Question 44. Which of the following is not correctly matched?
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Question 45. Arrange the following hydrides of group 16 elements in order of increasing stability
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Question 46 The boiling points of hydrides of group 16 are in the order
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Question 47 In the manufacture of sulphuric acid by contact process Tyndall box is used to
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Question 48 Fluorine differs from rest of the halogens in some of its properties. This is due to
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Question 49 Boron shows diagonal relation with
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Question 50. Catenation property is maximum in

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