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P Block Elements

88 questions · Chemistry · NEET
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P Block Elements

88 questions · Chemistry · NEET

  1. Given below are two statements : Statement I: Like nitrogen that can form ammonia, arsenic can form arsine. Statement II: Antimony cannot form antimony pentoxide. In the light of the above statements, choose the most appropriate answer…2025 · Q101 · MCQ
  2. Among Group 16 elements, which one does NOT show -2 oxidation state?2024 · Q124 · MCQ
  3. Given below are certain cations. Using inorganic qualitative analysis, arrange them in increasing group number from 0 to VI. A. Al3+ B. Cu2+ C. Ba2+ D. Co2+ E. Mg2+…2024 · Q147 · MCQ
  4. Identify the incorrect statement from the following :2024 · Q121 · MCQ
  5. Match List I with List II: Choose the correct answer from the options given below: Includes table2024 · Q141 · MCQ
  6. Match the List - I with List - II Choose the correct answer from the options given below : Includes table2023 · Q104 · MCQ
  7. Match List I with List II: Choose the correct answer from the options given below: Includes table2023 · Q117 · MCQ
  8. Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R. Assertion A : Helium is used to dilute oxygen in diving apparatus. Reason R : Helium has high solubility in O2​. In the light of the…2023 · Q90 · MCQ
  9. Match List I with List II: Choose the correct answer from the options given below: Includes table2023 · Q93 · MCQ
  10. The element expected to form largest ion to achieve the nearest noble gas configuration is2023 · Q95 · MCQ
  11. Match List-I with List-II : Choose the correct answer from the options given below : Includes table2022 · Q100 · MCQ
  12. Which of the following reactions is a part of the large scale industrial preparation of nitric acid?2022 · Q104 · MCQ
  13. Na2B4O7 heat​ X + NaBO2 in the above reaction the product "X" is :2022 · Q105 · MCQ
  14. Given below are two statements Statement I : The boiling points of the following hydrides of group 16 elements increases in the order - H2O < H2S < H2Se < H2Te Statement II : The boiling points of these hydrides increase with…2022 · Q100 · MCQ
  15. Match List-I with List-II. Choose the correct answer from the options given below: Includes table2022 · Q93 · MCQ
  16. Which of the following statement is not correct about diborane?2022 · Q98 · MCQ
  17. Noble gases are named because of their inertness towards reactivity. Identify an incorrect statement about them.2021 · Q112 · MCQ
  18. In which one of the following arrangements the given sequence is not strictly according to the properties indicted against it?2021 · Q126 · MCQ
  19. Statement I : Acid strength increases in the order given as HF << HCl << HBr << HI. Statement II : As the size of the elements, F, Cl, Br, I increases down the group, the bond strength of HF, HCl, HBr and HI decreases and…2021 · Q93 · MCQ
  20. Identify the correct statements from the following : (A) CO2(g) is used as refrigerant for ice-cream and frozen food. (B) The structure of C60 contains twelve six-carbon rings and twenty five carbon rings. (C) ZSM-5, a type of zeolite, is…2020 · Q100 · MCQ
  21. Which of the following oxoacid of sulphur has − O− O− linkage?2020 · Q106 · MCQ
  22. Which of the following is not correct about carbon monoxide?2020 · Q83 · MCQ
  23. Match the following and identify the correct option. Includes table2020 · Q96 · MCQ
  24. Which of the following is incorrect statement?2019 · Q112 · MCQ
  25. Which of the following species is not stable?2019 · Q113 · MCQ
  26. Identify the incorrect statement related to PCl5 from the following :2019 · Q79 · MCQ
  27. Which is the correct thermal stability order for H2E (E = O, S, Se, Te and Po)?2019 · Q81 · MCQ
  28. Match the Xenon compounds in Column-I with its structure in Column-II and assign the correct code : Includes diagram2019 · Q88 · MCQ
  29. Match the following : Which of the following is the correct option? Includes table2019 · Q89 · MCQ
  30. Which one of the following elements is unable to form MF63– ion?2018 · Q112 · MCQ
  31. Which of the following statements is not true for halogens?2018 · Q84 · MCQ
  32. In which pair of ions both the species contain S − S bond?2017 · Q85 · MCQ
  33. It is because of inability of ns2 electrons of the valence shell to participate in bonding that2017 · Q93 · MCQ
  34. Match the interhalogen compounds of column-I with the geometry in column-II and assign the correct code. Includes table2017 · Q94 · MCQ
  35. Match the compounds given in column I with the hybridisation and shape given in column II and mark the correct option Includes table2016 · Q93 · MCQ
  36. Which is the correct statement for the given acids?2016 · Q94 · MCQ
  37. When copper is heated with conc. HNO3 it produces2016 · Q95 · MCQ
  38. Which one of the following orders is correct for the bond dissociation enthalpy of halogen molecules?2016 · Q96 · MCQ
  39. Among the following the correct order of acidity is2016 · Q97 · MCQ
  40. Boric acid is an acid because its molecule2016 · Q94 · MCQ
  41. AlF3 is soluble in HF only in presence of KF. It is due to the formation of2016 · Q95 · MCQ
  42. The stability of +1 oxidation state among Al, Ga, In and Tl increases in the sequence2015 · Q84 · MCQ
  43. The variation of the boiling points of the hydrogen halides is in the order HF > HI > HBr > HCl. What explains the higher boiling point of hydrogen fluoride?2015 · Q85 · MCQ
  44. Strong reducing behavior of H3PO2 is due to2015 · Q86 · MCQ
  45. The formation of the oxide ion, O2−(g) from oxygen atom requires first an exthermic and then an endothermic step as shown below: O(g) + e− → O−(g); ΔfHo = −141 kJ mol−1 O−(g) + e− → O2−(g); ΔfHo…2015 · Q87 · MCQ
  46. Which of the statements given below is incorrect?2015 · Q88 · MCQ
  47. Nitrogen dioxide and sulphur dioxide have some properties in common . Which property is shown by one of these compounds , but not by the other?2015 · Q87 · MCQ
  48. Acidity of diprotic acids in aqueous solutions increases in the order2014 · Q94 · MCQ
  49. Which statement is wrong?2013 · Q92 · MCQ
  50. Identify the incorrect statement, regarding the molecule XeO4 :2013 · Q93 · MCQ
  51. The basic structural unit of silicates is2013 · Q85 · MCQ
  52. Which of these is not a monomer for a high molecular mass silicone polymer?2013 · Q91 · MCQ
  53. Which of the following structure is similar to graphite?2013 · Q93 · MCQ
  54. Which is the strongest acid in the following?2013 · Q94 · MCQ
  55. Which one of the following molecules contains no π bond?2013 · Q95 · MCQ
  56. Which of the following does not give oxygen on heating?2013 · Q96 · MCQ
  57. In which of the following arrangements the given sequence is not strictly according to the property indicated against it?2012 · Q64 · MCQ
  58. Which of the following statements is not valid for oxoacids of phosphorus?2012 · Q104 · MCQ
  59. In which of the following compounds, nitrogen exhibits highest oxidation state?2012 · Q105 · MCQ
  60. Sulphur trioxide can be obtained by which of the following reaction?2012 · Q106 · MCQ
  61. Which of the following oxide is amphoteric?2011 · Q60 · MCQ
  62. Which of the following statements is incorrect?2011 · Q61 · MCQ
  63. The Lassaigne's extract is boiled with conc. HNO3 while testing for halogens. By doing so it2011 · Q123 · MCQ
  64. Name the two type of the structure of silicate in which one oxygen atom of [SiO4]4− is shared?2011 · Q97 · MCQ
  65. How many bridging oxygen atoms are present in P4O10?2010 · Q53 · MCQ
  66. Which one of the following molecular hydrides acts as a Lewis acid?2010 · Q108 · MCQ
  67. The tendency of BF3, BCl3 and BBr3 to behave as Lewis acid decreases in the sequence2010 · Q109 · MCQ
  68. Oxidation states of P in H4P2O5, H4P2O6, H4P2O7 are respectively2010 · Q110 · MCQ
  69. The correct order of increasing bond angles in the following species is2010 · Q111 · MCQ
  70. The stability of +1 oxidation state among Al, Ga, In and Tl increases in the sequence2009 · Q103 · MCQ
  71. The straight chain polymer is formed by2009 · Q104 · MCQ
  72. Among the following which is the strongest oxidising agent?2009 · Q105 · MCQ
  73. The angular shape of ozone molecule (O3) consists of2008 · Q102 · MCQ
  74. Which of the following anions is present in the chain structure of silicates?2007 · Q68 · MCQ
  75. Which one of the following orders correctly represents the increasing acid strengths of the given acids?2007 · Q69 · MCQ
  76. Which of the following oxidation states are the most characteristic for lead and tin respectively?2007 · Q74 · MCQ
  77. Which of the following is the most basic oxide?2006 · Q102 · MCQ
  78. The correct order regarding the electronegativity of hybrid orbitals of carbon is2006 · Q103 · MCQ
  79. In which of the following molecules are all the bonds are not equal?2006 · Q106 · MCQ
  80. Which one of the following orders correctly represents the increasing acid strengths of the given acids?2005 · Q83 · MCQ
  81. Which one of the following oxides is expected to exhibit paramagnetic behaviour?2005 · Q96 · MCQ
  82. What is the correct relationship between the pH of isomolar solutions of sodium oxide, Na2O (pH1), sodium sulphide, Na2S (pH2), sodium srlenide, Na2Se (pH3) and sodium telluride Na2Te (pH4)?2005 · Q98 · MCQ
  83. Which one of the following statements about the zeolite is false?2004 · Q91 · MCQ
  84. Among K, Ca, Fe and Zn, the element which can from more than one binary compound with chlorine is2004 · Q92 · MCQ
  85. Which one of the following compounds is not a protonic acid?2003 · Q106 · MCQ
  86. Which one of the following statements is not true?2003 · Q119 · MCQ
  87. Which of the following statement is true?2002 · Q99 · MCQ
  88. Which compound is electron deficient?2000 · Q99 · MCQ