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s-Block Elements

Previous year questions with solutions · 2000 – 2026

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40Questions
25Papers covered
0% Weightage in 2026
’00
’02
’04
’06
’07
’08
’09
’10
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’18
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’20
’21
’22
’23
Year-wise statistics questions · papers · average per paper · weightage
YearQuestionsPapersAvg / paperWeightage
20232123.92% ↑32%
2022321.52.97% ↓25.7%
20212124.00% ↓10%
20202124.44% →0%
20192124.44% →0%
20182124.44% ↑100%
20171112.22% ↓50%
20164224.44% ↑33.3%
2015321.53.33% ↑196.7%
2013120.51.12% ↓55.1%
20122212.50% ↓32.5%
2011321.53.70% ↓25.9%
20104225.00% ↑155%
20091111.96% ↓50%
20082123.92% ↓2%
20072124.00% ↑100%
20061112.00% ↓4%
20041112.08% ↑4.2%
20021112.00% ↑2%
20001111.96%

⚠ 37 of these questions are out of the current syllabus (marked on the question).

40 questions · newest paper first · page 2 of 2

31

Which one of the following compounds is a peroxide?

  1. KO2
  2. BaO2
  3. MnO2
  4. NO2
Out of syllabusAIPMT 2010 (Prelims)
32

Which of the following oxides is not expected to react with sodium hydroxide?

  1. CaO
  2. SiO2
  3. BeO
  4. B2O3
Out of syllabusAIPMT 2009
33

The sequence of ionic mobility in aqueous solution is

  1. Rb+ > K+ > Cs+ > Na+
  2. Na+ > K+ > Rb+ > Cs+
  3. K+ > Na+ > Rb+ > Cs+
  4. Cs+ > Rb+ > K+ > Na+
Out of syllabusAIPMT 2008
34

The alkali metals form salt-like hydrides by the direct synthesis at elevated temperature. The thermal stability of these hydrides decreases in which of the following orders?

  1. NaH > LiH > KH > RbH > CsH
  2. LiH > NaH > KH > RbH > CsH
  3. CsH > RbH > KH > NaH > LiH
  4. KH > NaH > LiH > CsH > RbH
Out of syllabusAIPMT 2008
35

The correct order of increasing thermal stability of K2CO3, MgCO3, CaCO3 and BeCO3 is

  1. BeCO3 < MgCO3 < CaCO3 < K2CO3
  2. MgCO3 < BeCO3 < CaCO3 < K2CO3
  3. K2CO3 < MgCO3 < CaCO3 < BeCO3
  4. BeCO3 < MgCO3 < K2CO3 < CaCO3
Out of syllabusAIPMT 2007
36

In which of the following the hydration energy is higher than the lattice energy?

  1. MgSO4
  2. RaSO4
  3. SrSO4
  4. BaSO4
Out of syllabusAIPMT 2007
37

The correct order of the mobility of the alkali metal ions in aqueous solution is

  1. Rb+ > K+ > Na+ > Li+
  2. Li+ > Na+ > K+ > Rb+
  3. Na+ > K+ > Rb+ > Li+
  4. K+ > Rb+ > Na+ > Li+
Out of syllabusAIPMT 2006
38

A solid compound X on heating gives CO2 gas and a residue. The residue mixed with water forms Y. On passing an excess of CO2 through Y in water, a clear solution Z is obtained. On boiling Z, compound X is reformed. The compound X is

  1. Ca(HCO3)2
  2. CaCO3
  3. Na2CO3
  4. K2CO3
Out of syllabusAIPMT 2004
39

In which of the following processes, fused sodium hydroxide is electrolysed at a temperature of 330 C for extraction of sodium?

  1. Castner's process
  2. Downs process
  3. Cyanide process
  4. Both (2) and (3)
Out of syllabusAIPMT 2002
40

Mg is present in

  1. chlorophyll
  2. haemoglobin
  3. vitamin-D
  4. vitamin-B
AIPMT 2000