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Chemistry - Classification of Elements and Periodicity in Properties

Practise 19 AIIMS previous year questions on Classification of Elements and Periodicity in Properties, compiled from papers spanning 2002 to 2019. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty AIIMS tests.

Classification of Elements and Periodicity in Properties has been asked in 12 of the 19 years of AIIMS papers analysed (2001–2019), with 19 questions in all. 79% of them were easy, 16% moderate and 5% tough. Most of its questions came from 2019, with 5 questions that year. In the last three years (2017–2019) it had 5 questions across 5 papers, about 1 per paper.

The chapter's 2 topics are not weighted equally: Periodic properties (18 questions, 95%) and Modern periodic table (1 question, 5%) have been asked the most. Periodic properties has produced the most tough questions (1).

  1. 1Which has least covalent radius?26 May, 2019Periodic properties
  2. 2Which pair of elements has maximum electronegativity difference?26 May, 2019Periodic properties
  3. 3The correct order of decreasing first ionisation energy is25 May, 2019Periodic properties
  4. 4Assertion : Bond energy of is lesser than . Reason : F-atom is smaller in size than .25 May, 2019Periodic properties
  5. 5Assertion: The electron gain enthalpy of is +ve while that of is -ve. Reason : This is due to the smaller atomic size of in which there is a25 May, 2019Periodic properties
  6. 6An element belongs to fourth period and fifteenth group of the periodic table. Which one of the following is true regarding the outer electr2016Modern periodic table
  7. 7Which of the following elements will have the highest electron affinity?2015Periodic properties
  8. 8Which is correct regarding size of atom?2014Periodic properties
  9. 9The first ionisation enthalpy of and are respectively. What will be the first ionisation enthalpy potential of in ?2013Periodic properties
  10. 10Difference in atomic radius is maximum for2012Periodic properties
  11. 11Assertion : is less acidic than . Reason : is less electronegative than Se.2012Periodic properties
  12. 12Assertion : is less acidic than . Reason : Te has larger radius than .2011Periodic properties
  13. 13Assertion : exists but does not exist. Reason : is more electronegative than .2011Periodic properties
  14. 14Which of the following is correct?2010Periodic properties
  15. 15Which of the following sequence contains atomic number of only representative elements?2010Periodic properties
  16. 16Assertion : for is more positive than . Reason : The third ionization energy of is larger than that of .2006Periodic properties
  17. 17Assertion : First ionization energy for nitrogen is lower than oxygen. Reason : Across a period effective nuclear charge decreases.2005Periodic properties
  18. 18For electron affinity of halogens which of the following is correct?2004Periodic properties
  19. 19Assertion : Dinegative anion of oxygen is quite common but dinegative anion of sulphur is less common. Reason : Covalency of oxygen is two.2002Periodic properties

Frequently Asked Questions

1.How many questions are available for Classification of Elements and Periodicity in Properties?

This chapter includes 19 questions compiled from AIIMS papers spanning 2002 to 2019.

2.Are these questions only from AIIMS, or from other exams too?

These are AIIMS questions specifically for the Classification of Elements and Periodicity in Properties chapter. Questions from other exams like NEET or JIPMER are organised separately under their respective exam sections.

3.Is Classification of Elements and Periodicity in Properties an important chapter for AIIMS Chemistry?

Classification of Elements and Periodicity in Properties has appeared in 12 of the 19 years of AIIMS papers covered here, with 19 questions across 13 papers - about one per paper it appears in.

4.What is the difficulty level of Classification of Elements and Periodicity in Properties questions in AIIMS?

Of the 19 questions analysed for this chapter, 79% are easy, 16% moderate and 5% tough. 2019 had the most, with 5 questions.

5.Which topics in Classification of Elements and Periodicity in Properties should I focus on?

These topics have carried the most weightage in Classification of Elements and Periodicity in Properties:

  • Periodic properties - 18 questions (95%)
  • Modern periodic table - 1 question (5%)
  • Periodic properties has produced the most tough questions (1).
6.Is Classification of Elements and Periodicity in Properties's weightage in AIIMS going up or down?

Across all 13 papers analysed, Classification of Elements and Periodicity in Properties has averaged about 1.5 questions per paper. In the last three years (2017–2019), that average has fallen, at about 1.0 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.